diff --git a/client/test.sh b/client/test.sh
index 12308f9..d082e7e 100755
--- a/client/test.sh
+++ b/client/test.sh
@@ -5,8 +5,8 @@ set -x
 
 for client in *
 do
-	if [ -d $client ]
+	if [ -d "$client" ]
 	then
-		(cd $client && ./test.sh)
+		(cd "$client" && ./test.sh)
 	fi
 done