diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 71280a20de..0c3a52b2d3 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -3430,12 +3430,9 @@ class Diaspora
 		/// @todo - establish "all day" events in Friendica
 		$eventdata["all_day"] = "false";
 
-		if (!$event['adjust']) {
+		$eventdata['timezone'] = 'UTC';
+		if (!$event['adjust'] && $user['timezone']) {
 			$eventdata['timezone'] = $user['timezone'];
-
-			if ($eventdata['timezone'] == "") {
-				$eventdata['timezone'] = 'UTC';
-			}
 		}
 
 		if ($event['start']) {