diff --git a/app/src/main/java/protect/card_locker/DBHelper.java b/app/src/main/java/protect/card_locker/DBHelper.java
index 8bdd5fbc3..356ffdbae 100644
--- a/app/src/main/java/protect/card_locker/DBHelper.java
+++ b/app/src/main/java/protect/card_locker/DBHelper.java
@@ -24,6 +24,7 @@ public class DBHelper extends SQLiteOpenHelper {
     public static final String DATABASE_NAME = "Catima.db";
     public static final int ORIGINAL_DATABASE_VERSION = 1;
     public static final int DATABASE_VERSION = 16;
+    public static final int DEFAULT_ZOOM_LEVEL = 100;
 
     public static class LoyaltyCardDbGroups {
         public static final String TABLE = "groups";
@@ -108,7 +109,7 @@ public class DBHelper extends SQLiteOpenHelper {
                 LoyaltyCardDbIds.BARCODE_TYPE + " TEXT," +
                 LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0'," +
                 LoyaltyCardDbIds.LAST_USED + " INTEGER DEFAULT '0', " +
-                LoyaltyCardDbIds.ZOOM_LEVEL + " INTEGER DEFAULT '100', " +
+                LoyaltyCardDbIds.ZOOM_LEVEL + " INTEGER DEFAULT '" + DEFAULT_ZOOM_LEVEL + "', " +
                 LoyaltyCardDbIds.ARCHIVE_STATUS + " INTEGER DEFAULT '0' )");
 
         // create associative table for cards in groups
@@ -312,7 +313,7 @@ public class DBHelper extends SQLiteOpenHelper {
 
         if (oldVersion < 14 && newVersion >= 14) {
             db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
-                    + " ADD COLUMN " + LoyaltyCardDbIds.ZOOM_LEVEL + " INTEGER DEFAULT '100' ");
+                    + " ADD COLUMN " + LoyaltyCardDbIds.ZOOM_LEVEL + " INTEGER DEFAULT '" + DEFAULT_ZOOM_LEVEL + "' ");
         }
         if (oldVersion < 15 && newVersion >= 15) {
             db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE