diff --git a/dev/n_osync.sh b/dev/n_osync.sh
index 2a571ce..4c7b05c 100644
--- a/dev/n_osync.sh
+++ b/dev/n_osync.sh
@@ -109,7 +109,7 @@ function TrapQuit {
 		UnlockReplicas
 		RunAfterHook
 		Logger "$PROGRAM finished." "ALWAYS"
-		if [ $ALWAYS_SEND_MAILS == true ];
+		if [ "$ALWAYS_SEND_MAILS" == true ];
 		then
 			SendAlert
 		fi