diff --git a/src/main/resources/scripts/gvm b/src/main/resources/scripts/gvm
index 6b90e102..5b7ad94d 100755
--- a/src/main/resources/scripts/gvm
+++ b/src/main/resources/scripts/gvm
@@ -87,7 +87,7 @@ function download {
 
 function validate_zip {
 	ZIP_ARCHIVE="$1"
-	ZIP_OK=$(zip -T "$ZIP_ARCHIVE" | grep 'OK')
+	ZIP_OK=$(unzip -t "$ZIP_ARCHIVE" | grep 'No errors detected in compressed data')
 	if [ -z "$ZIP_OK" ]; then
 		rm "$ZIP_ARCHIVE"
 		echo ""
diff --git a/src/main/resources/scripts/install.sh b/src/main/resources/scripts/install.sh
index ed226c98..b2844a1d 100755
--- a/src/main/resources/scripts/install.sh
+++ b/src/main/resources/scripts/install.sh
@@ -72,18 +72,6 @@ if [ ! -f "$JAVA_HOME/bin/java" ]; then
 	exit 0	
 fi
 
-echo "Looking for zip..."
-if [ -z $(which zip) ]; then
-	echo "Not found."
-	echo "======================================================================================================"
-	echo " Please install zip on your system using your favourite package manager."
-	echo ""
-	echo " Restart after installing zip."
-	echo "======================================================================================================"
-	echo ""
-	exit 0
-fi
-
 echo "Looking for unzip..."
 if [ -z $(which unzip) ]; then
 	echo "Not found."