diff --git a/default.inc b/default.inc
index b7d00a1..096ead4 100755
--- a/default.inc
+++ b/default.inc
@@ -226,7 +226,7 @@ PUSH_TO_MOBILE(){
 	else
 		PRIORITY=0
 	fi
-	wget https://api.pushover.net/1/messages.json --post-data="token=$PUSHOVER_APP_TOKEN&user=$PUSHOVER_USER_TOKEN&message=$MESSAGE&title=$TITLE&priority=$PRIORITY&sound=$MSGSOUND" -qO- > /dev/null 2>&1 &
+	wget https://api.pushover.net/1/messages.json --post-data="token=${PUSHOVER_APP_TOKEN}&user=${PUSHOVER_USER_TOKEN}&message=${MESSAGE}&title=${TITLE}&priority=${PRIORITY}&sound=${MSGSOUND}" -qO- > /dev/null 2>&1 &
 }