diff --git a/mod_mam/src/mod_mam.erl b/mod_mam/src/mod_mam.erl
index 1594039..b390731 100644
--- a/mod_mam/src/mod_mam.erl
+++ b/mod_mam/src/mod_mam.erl
@@ -1245,5 +1245,5 @@ remove_user(LUser, LServer, mnesia) ->
 		      ok
 		end
 	end,
-    {atomic, ok} = mnesia:transaction(Remove),
+    {atomic, ok} = mnesia:sync_transaction(Remove),
     manage_mnesia_fragments(true).