diff --git a/pkgs/additional/sane-open/sane-open b/pkgs/additional/sane-open/sane-open
index eb4aaa187..45791f9b1 100755
--- a/pkgs/additional/sane-open/sane-open
+++ b/pkgs/additional/sane-open/sane-open
@@ -196,28 +196,28 @@ while [ $# -gt 0 ]; do
   arg="$1"
   shift
   case "$arg" in
-    "--auto-keyboard")
-      autoKeyboard=1
-      ;;
-    "--help")
-      usage 0
-      ;;
-    "--application")
+    ("--application")
       resourceType="application"
       ;;
-    "--debug")
+    ("--auto-keyboard")
+      autoKeyboard=1
+      ;;
+    ("--debug")
       SANE_OPEN_DEBUG=1
       ;;
-    "--desktop-file")
+    ("--desktop-file")
       resourceType="desktopFile"
       ;;
-    "--file")
+    ("--help")
+      usage 0
+      ;;
+    ("--file")
       resourceType="file"
       ;;
-    "--uri")
+    ("--uri")
       resourceType="uri"
       ;;
-    *)
+    (*)
       if [ $# -ne 0 ]; then
         usage 1
       fi