diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6d394d9..53f06a4 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -33,7 +33,7 @@ detect_arch(){
 
 # custom function to change bash bool 0/1 to false/true
 convert_bool(){
-	$1 && echo "true" || echo "false"
+	(($1)) && echo "true" || echo "false"
 }
 
 #=================================================