diff --git a/sample-kde-env-master.sh b/sample-kde-env-master.sh
index 55e8fd4..8dee868 100644
--- a/sample-kde-env-master.sh
+++ b/sample-kde-env-master.sh
@@ -72,10 +72,10 @@ path_add()
 {
     eval curVal=\$'{'$1'-}'
 
-    if [ -n "$curVal" ]; then
-        eval "$1"="$2:$curVal";
+    if test -n "$curVal"; then
+        eval "$1"="$2:'$curVal'";
     else
-        eval "$1"="$2"
+        eval "$1"="'$2'"
     fi
 }