diff --git a/modules/nolibfuse.am b/modules/nolibfuse.am
index 0bf3a3ad43..70fd74abba 100644
--- a/modules/nolibfuse.am
+++ b/modules/nolibfuse.am
@@ -1,15 +1,16 @@
 #!/usr/bin/env bash
+# shellcheck disable=SC2086
 
 function _echo_lower() {
-	echo $2 | _make_upper
+	echo "${2}" | _make_upper
 }
 
 while [ -n "$1" ]; do
-	case $2 in
+	case "${2}" in
 	'')
 		echo " USAGE: $AMCLI $1 [PROGRAM]"; exit
 		;;
-	*) 
+	*)
 		cd "$APPSPATH" || exit 1
 		if test -f ./$2/$2 2>/dev/null; then
 			cd ./$2 || return
@@ -94,14 +95,14 @@ while [ -n "$1" ]; do
 							echo " 💀Errors while trying to export $(_echo_lower) from Type2 AppImage. Aborted."
 							rm -R -f ./appimagetool ./squashfs-root; exit
 						fi
-					fi	
+					fi
 				fi
 			fi
 		else
-			echo " ⚠️ Error: "(_echo_lower)" is NOT installed."; exit
+			echo " ⚠️ Error: "$(_echo_lower)" is NOT installed."
+			exit
 		fi
 		;;
-
 	esac
 done