diff --git a/modules/install.am b/modules/install.am
index 151668fe0..3f8715109 100644
--- a/modules/install.am
+++ b/modules/install.am
@@ -95,11 +95,13 @@ _check_if_optional_dependences_are_needed() {
 
 _check_if_script_installs_a_metapackage() {
 	# Check if the installation script is a metapackage (example one of the 40+ kdegames scripts)
+	[ ! -f "$AMDATADIR/$ARCH-apps" ] && _completion_lists
 	for metapackage in $METAPACKAGES; do
-		if grep -q "$metapackage" ./"$arg" 2> /dev/null; then
+		if grep "◆ $arg : " "$AMDATADIR/$ARCH-apps" | grep -q "\"$metapackage\""; then
 			if [ -d "$APPSPATH"/"$metapackage"/tmp ]; then
 				$SUDOCMD "$APPSPATH"/"$metapackage"/remove 2> /dev/null
-			elif [ -d "$APPSPATH"/"$metapackage" ] || command -v "$metapackage" >/dev/null 2>&1; then
+			fi
+			if [ -d "$APPSPATH"/"$metapackage" ] || command -v "$metapackage" >/dev/null 2>&1; then
 				LASTDIR=$(echo "$metapackage" | tr '[:lower:]' '[:upper:]')
 				echo " ◆ $APPNAME IS PART OF \"$LASTDIR\", ALREADY INSTALLED"
 				return 1