diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index 9bd08cf2..ff9a3ac3 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -5,6 +5,9 @@
  * Version: 0.2
  * Author: Michael Vogel <http://pirati.ca/profile/heluecht>
  */
+
+use Friendica\Core\Worker;
+
 require('addon/pumpio/oauth/http.php');
 require('addon/pumpio/oauth/oauth_client.php');
 require_once('include/enotify.php');
@@ -691,8 +694,7 @@ function pumpio_sync(&$a) {
 }
 
 function pumpio_cron(&$a,$b) {
-	//pumpio_sync($a);
-	proc_run("php","addon/pumpio/pumpio_sync.php");
+	Worker::add(PRIORITY_MEDIUM,"addon/pumpio/pumpio_sync.php");
 }
 
 function pumpio_fetchtimeline(&$a, $uid) {
diff --git a/twitter/twitter.php b/twitter/twitter.php
index 31d3f4db..21b6122e 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -60,6 +60,8 @@
  *     Requirements: PHP5, curl [Slinky library]
  */
 
+use Friendica\Core\Worker;
+
 require_once('include/enotify.php');
 require_once("include/socgraph.php");
 
@@ -646,7 +648,7 @@ function twitter_cron($a,$b) {
 	if(count($r)) {
 		foreach($r as $rr) {
 			logger('twitter: fetching for user '.$rr['uid']);
-			proc_run(PRIORITY_MEDIUM, "addon/twitter/twitter_sync.php", 1, (int)$rr['uid']);
+			Worker::add(PRIORITY_MEDIUM, "addon/twitter/twitter_sync.php", 1, (int)$rr['uid']);
 		}
 	}
 
@@ -668,7 +670,7 @@ function twitter_cron($a,$b) {
 			}
 
 			logger('twitter: importing timeline from user '.$rr['uid']);
-			proc_run(PRIORITY_MEDIUM, "addon/twitter/twitter_sync.php", 2, (int)$rr['uid']);
+			Worker::add(PRIORITY_MEDIUM, "addon/twitter/twitter_sync.php", 2, (int)$rr['uid']);
 /*
 			// To-Do
 			// check for new contacts once a day