diff --git a/send/o365_mu_process.pl b/send/o365_mu_process.pl
index 8e52da07..1f7b6367 100755
--- a/send/o365_mu_process.pl
+++ b/send/o365_mu_process.pl
@@ -283,7 +283,7 @@
 		if($DEBUG>0) { print "INFO: Groups chunk number - $chunkCounter\n"; }
 
 		#groups to be updated as content for call
-		my $groupsContent = getGroupsContent($groupsToProcessStruc);
+		my $groupsContent = getGroupsContent($chunk);
 		my $groupsResult = callServerForUpdate($groupsContent);
 		my $groupsResultMap = transformResultToMap($groupsResult);
 		#check all processed groups and add them to the cache if they were updated ok