diff --git a/MBCPApp/mbcpapp.sh b/MBCPApp/mbcpapp.sh
index 743a4db..3a679a5 100755
--- a/MBCPApp/mbcpapp.sh
+++ b/MBCPApp/mbcpapp.sh
@@ -118,7 +118,9 @@ unpack_mbcp() {
     rm -rf 'mbapk/*merged.apk'
     java -jar tools/apkeditor.jar d -i mbapk/*.apk -o mbapk/mbapk_unpacked || { err "Unpacking failed !" ; return 1 ; }
     touch 'mbapk/mbapk_unpacked/isreal_unpacked'
-    unzip -l mbapk/MBOriginal.apk | grep -oH "ic-appmb.ttf" && good "Current converted app is MBBank! Continuing" || { err "Current converted app is NOT MBBank! Deleting files" ; rm -rf mbapk/* ; return 1 ; }
+    unzip -l mbapk/MBOriginal.apk | grep -oH "flutter_assets" && good "Current app is Flutter!" || { err "Current converted app is not Flutter, or too outdated, cannot continue! Deleting files..." ; rm -rf mbapk/* ; return 1 ;
+    } 
+    unzip -l mbapk/MBOriginal.apk | grep -oH "ic-appmb.ttf" && good "Current converted app is MBBank! Continuing" || { err "Current converted app is NOT MBBank! Deleting files..." ; rm -rf mbapk/* ; return 1 ; }
     info "Cleaning useless files..."
     rm -rf 'mbapk/mbapk_unpacked/root/assets/_4A9w8flncUrhDOG8dyqLi_azBTYT3PlSXz0hiCzRQA_'
     rm -rf 'mbapk/mbapk_unpacked/root/assets/0QDl12M5S2hKxoKF4cNI4kEX1qDQRMiOd34TXjSjy4M_'