diff --git a/app/src/main/java/protect/card_locker/Utils.java b/app/src/main/java/protect/card_locker/Utils.java
index d98439e66..5bbaeeb08 100644
--- a/app/src/main/java/protect/card_locker/Utils.java
+++ b/app/src/main/java/protect/card_locker/Utils.java
@@ -481,6 +481,23 @@ public class Utils {
         return new File(context.getCacheDir() + "/" + name);
     }
 
+    public static File copyToTempFile(Context context, InputStream input, String name) {
+        File file = createTempFile(context, name);
+        try (FileOutputStream out = new FileOutputStream(file)) {
+            byte[] buf = new byte[4096];
+            int len;
+            while ((len = input.read(buf)) != -1) {
+                out.write(buf, 0, len);
+            }
+            out.close();
+            input.close();
+            return file;
+        } catch (IOException e) {
+            Log.d("store temp file", "failed writing temp file, name: " + name);
+            return null;
+        }
+    }
+
     public static String saveTempImage(Context context, Bitmap in, String name, Bitmap.CompressFormat format) {
         File image = createTempFile(context, name);
         try (FileOutputStream out = new FileOutputStream(image)) {
diff --git a/app/src/main/java/protect/card_locker/importexport/CatimaImporter.java b/app/src/main/java/protect/card_locker/importexport/CatimaImporter.java
index 52d521781..8a7761179 100644
--- a/app/src/main/java/protect/card_locker/importexport/CatimaImporter.java
+++ b/app/src/main/java/protect/card_locker/importexport/CatimaImporter.java
@@ -13,6 +13,8 @@ import org.apache.commons.csv.CSVRecord;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -39,7 +41,8 @@ import protect.card_locker.ZipUtils;
  * A header is expected for the each table showing the names of the columns.
  */
 public class CatimaImporter implements Importer {
-    public void importData(Context context, SQLiteDatabase database, InputStream input, char[] password) throws IOException, FormatException, InterruptedException {
+    public void importData(Context context, SQLiteDatabase database, File inputFile, char[] password) throws IOException, FormatException, InterruptedException {
+        InputStream input = new FileInputStream(inputFile);
         InputStream bufferedInputStream = new BufferedInputStream(input);
         bufferedInputStream.mark(100);
 
diff --git a/app/src/main/java/protect/card_locker/importexport/FidmeImporter.java b/app/src/main/java/protect/card_locker/importexport/FidmeImporter.java
index b1e411a0f..b7b64560b 100644
--- a/app/src/main/java/protect/card_locker/importexport/FidmeImporter.java
+++ b/app/src/main/java/protect/card_locker/importexport/FidmeImporter.java
@@ -11,6 +11,8 @@ import org.apache.commons.csv.CSVParser;
 import org.apache.commons.csv.CSVRecord;
 import org.json.JSONException;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
@@ -31,7 +33,8 @@ import protect.card_locker.Utils;
  * A header is expected for the each table showing the names of the columns.
  */
 public class FidmeImporter implements Importer {
-    public void importData(Context context, SQLiteDatabase database, InputStream input, char[] password) throws IOException, FormatException, JSONException, ParseException {
+    public void importData(Context context, SQLiteDatabase database, File inputFile, char[] password) throws IOException, FormatException, JSONException, ParseException {
+        InputStream input = new FileInputStream(inputFile);
         // We actually retrieve a .zip file
         ZipInputStream zipInputStream = new ZipInputStream(input, password);
 
@@ -70,6 +73,7 @@ public class FidmeImporter implements Importer {
         }
 
         zipInputStream.close();
+        input.close();
     }
 
     /**
diff --git a/app/src/main/java/protect/card_locker/importexport/Importer.java b/app/src/main/java/protect/card_locker/importexport/Importer.java
index 41f73df26..72c32d377 100644
--- a/app/src/main/java/protect/card_locker/importexport/Importer.java
+++ b/app/src/main/java/protect/card_locker/importexport/Importer.java
@@ -5,8 +5,8 @@ import android.database.sqlite.SQLiteDatabase;
 
 import org.json.JSONException;
 
+import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
 import java.text.ParseException;
 
 import protect.card_locker.FormatException;
@@ -23,5 +23,5 @@ public interface Importer {
      * @throws IOException
      * @throws FormatException
      */
-    void importData(Context context, SQLiteDatabase database, InputStream input, char[] password) throws IOException, FormatException, InterruptedException, JSONException, ParseException;
+    void importData(Context context, SQLiteDatabase database, File inputFile, char[] password) throws IOException, FormatException, InterruptedException, JSONException, ParseException;
 }
diff --git a/app/src/main/java/protect/card_locker/importexport/MultiFormatImporter.java b/app/src/main/java/protect/card_locker/importexport/MultiFormatImporter.java
index a5306dd33..78ee564b0 100644
--- a/app/src/main/java/protect/card_locker/importexport/MultiFormatImporter.java
+++ b/app/src/main/java/protect/card_locker/importexport/MultiFormatImporter.java
@@ -6,10 +6,14 @@ import android.util.Log;
 
 import net.lingala.zip4j.exception.ZipException;
 
+import java.io.File;
 import java.io.InputStream;
 
+import protect.card_locker.Utils;
+
 public class MultiFormatImporter {
     private static final String TAG = "Catima";
+    private static final String TEMP_ZIP_NAME = MultiFormatImporter.class.getSimpleName() + ".zip";
 
     /**
      * Attempts to import data from the input stream of the
@@ -42,9 +46,10 @@ public class MultiFormatImporter {
 
         String error = null;
         if (importer != null) {
+            File inputFile = Utils.copyToTempFile(context, input, TEMP_ZIP_NAME);
             database.beginTransaction();
             try {
-                importer.importData(context, database, input, password);
+                importer.importData(context, database, inputFile, password);
                 database.setTransactionSuccessful();
                 return new ImportExportResult(ImportExportResultType.Success);
             } catch (ZipException e) {
@@ -59,6 +64,7 @@ public class MultiFormatImporter {
                 error = e.toString();
             } finally {
                 database.endTransaction();
+                inputFile.delete();
             }
         } else {
             error = "Unsupported data format imported: " + format.name();
diff --git a/app/src/main/java/protect/card_locker/importexport/StocardImporter.java b/app/src/main/java/protect/card_locker/importexport/StocardImporter.java
index 1aa90e3e0..df0d79451 100644
--- a/app/src/main/java/protect/card_locker/importexport/StocardImporter.java
+++ b/app/src/main/java/protect/card_locker/importexport/StocardImporter.java
@@ -16,6 +16,8 @@ import org.apache.commons.csv.CSVRecord;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -42,7 +44,7 @@ import protect.card_locker.ZipUtils;
 public class StocardImporter implements Importer {
     private static final String TAG = "Catima";
 
-    public void importData(Context context, SQLiteDatabase database, InputStream input, char[] password) throws IOException, FormatException, JSONException, ParseException {
+    public void importData(Context context, SQLiteDatabase database, File inputFile, char[] password) throws IOException, FormatException, JSONException, ParseException {
         HashMap<String, HashMap<String, Object>> loyaltyCardHashMap = new HashMap<>();
         HashMap<String, HashMap<String, Object>> providers = new HashMap<>();
 
@@ -62,6 +64,7 @@ public class StocardImporter implements Importer {
             throw new FormatException("Issue parsing CSV data", e);
         }
 
+        InputStream input = new FileInputStream(inputFile);
         ZipInputStream zipInputStream = new ZipInputStream(input, password);
 
         String[] providersFileName = null;
@@ -245,6 +248,7 @@ public class StocardImporter implements Importer {
         }
 
         zipInputStream.close();
+        input.close();
     }
 
     private boolean startsWith(String[] full, String[] start, int minExtraLength) {
diff --git a/app/src/main/java/protect/card_locker/importexport/VoucherVaultImporter.java b/app/src/main/java/protect/card_locker/importexport/VoucherVaultImporter.java
index b0d103366..08454626b 100644
--- a/app/src/main/java/protect/card_locker/importexport/VoucherVaultImporter.java
+++ b/app/src/main/java/protect/card_locker/importexport/VoucherVaultImporter.java
@@ -12,6 +12,8 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -36,7 +38,8 @@ import protect.card_locker.Utils;
  * A header is expected for the each table showing the names of the columns.
  */
 public class VoucherVaultImporter implements Importer {
-    public void importData(Context context, SQLiteDatabase database, InputStream input, char[] password) throws IOException, FormatException, JSONException, ParseException {
+    public void importData(Context context, SQLiteDatabase database, File inputFile, char[] password) throws IOException, FormatException, JSONException, ParseException {
+        InputStream input = new FileInputStream(inputFile);
         BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
 
         StringBuilder sb = new StringBuilder();
@@ -130,5 +133,6 @@ public class VoucherVaultImporter implements Importer {
         }
 
         bufferedReader.close();
+        input.close();
     }
 }
\ No newline at end of file