diff --git a/seminar/tools.py b/seminar/tools.py
index 7d7aac1d..686ccb02 100644
--- a/seminar/tools.py
+++ b/seminar/tools.py
@@ -77,5 +77,6 @@ def merge_Resitel(rbase, rmerge, pretend=True):
 
         if not pretend:
             rmerge.delete()
+            rbase.save()