diff --git a/lib/linter.sh b/lib/linter.sh
index 19fbd06e..ca315691 100755
--- a/lib/linter.sh
+++ b/lib/linter.sh
@@ -157,7 +157,7 @@ GetLinterVersions()
     ##############################
     # Check the shell for errors #
     ##############################
-    if [ $ERROR_CODE -ne 0 ] | [ -z "$GET_VERSION_CMD" ]; then
+    if [ $ERROR_CODE -ne 0 ] | [ -z $GET_VERSION_CMD ]; then
       echo "WARN! Failed to get version info for:[$LINTER]"
       echo "---------------------------------------------"
     else