diff --git a/cf-v4-ddns.sh b/cf-v4-ddns.sh
index 0b0ed8b..b4bf85d 100644
--- a/cf-v4-ddns.sh
+++ b/cf-v4-ddns.sh
@@ -137,7 +137,7 @@ RESPONSE=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$CFZONE_ID
   -H "Content-Type: application/json" \
   --data "{\"id\":\"$CFZONE_ID\",\"type\":\"$CFRECORD_TYPE\",\"name\":\"$CFRECORD_NAME\",\"content\":\"$WAN_IP\", \"ttl\":$CFTTL}")
 
-if [ "$RESPONSE" != "${RESPONSE%success*}" ] && [ $(echo $RESPONSE | grep "\"success\":true") != "" ]; then
+if [ "$RESPONSE" != "${RESPONSE%success*}" ] && [ "$(echo $RESPONSE | grep "\"success\": true")" != "" ]; then
   echo "Updated succesfuly!"
   echo $WAN_IP > $WAN_IP_FILE
   exit