diff --git a/allocate_runners.sh b/allocate_runners.sh
index f906edc..7ab5543 100644
--- a/allocate_runners.sh
+++ b/allocate_runners.sh
@@ -17,7 +17,7 @@ until [[ $memory -gt $maxMemoryUsage ]]; do
 	runnerName="${namePrefix}${RANDOM}";
 	lxc-start-ephemeral -o $baseName -n $runnerName --union-type overlayfs -d;
 	
-	if [[ "$?" -eq 0 ]]; then
+	if [[ $? -eq 0 ]]; then
 		runners="${runnerName};${runners}";
 	fi
 	usedMemoryPercent;