diff --git a/lug-helper.sh b/lug-helper.sh
index 7ee9cee..479afb4 100755
--- a/lug-helper.sh
+++ b/lug-helper.sh
@@ -1516,17 +1516,17 @@ rm_shaders() {
 
     # Delete shaders directory in every directory beginning with "sc-alpha"
     for (( i=0; i<"${#appdata_items[@]}"; i++ )); do
-        if [[ "${appdata_items[i]}" = "$wine_prefix/$appdata_path"/sc-alpha* ]]; then  # check if the item in the array begins with sc-alpha
+        if [ "${appdata_items[i]}" = "$wine_prefix/$appdata_path"/sc-alpha* ]; then  # check if the item in the array begins with sc-alpha
             if [  -d "${appdata_items[i]}/shaders" ]; then # check if there is a shaders subfolder
                 if message question "The following directory will be deleted:\n\n${appdata_items[i]}/shaders\n\nDo you want to proceed?"; then
                     debug_print continue "Deleting ${appdata_items[i]}/shaders..."
                     rm -r "${appdata_items[i]}/shaders"
                     message info "Your shaders have been deleted!"
                 fi
-            elif [[ $i = $(( ${#appdata_items[@]} - 1 )) ]]; then # display message when end of array is reached and no shaders directories were found
+            elif [ $i = $(( "${#appdata_items[@]}" - 1 )) ]; then # display message when end of array is reached and no shaders directories were found
                 message info "No more shader directories found"
             fi
-        elif [[ $i = $(( ${#appdata_items[@]} - 1 )) ]]; then # display message when end of array is reached and no shaders or sc-alpha directories were found
+        elif [ $i = $(( "${#appdata_items[@]}" - 1 )) ]; then # display message when end of array is reached and no shaders or sc-alpha directories were found
                 message info "No more shader directories found"
         fi
     done