diff --git a/src/zeek-setup.cc b/src/zeek-setup.cc
index 8258329f5a..41c8479f2a 100644
--- a/src/zeek-setup.cc
+++ b/src/zeek-setup.cc
@@ -423,6 +423,7 @@ static void terminate_zeek()
 
 	event_mgr.Drain();
 
+	session_mgr->Clear();
 	plugin_mgr->FinishPlugins();
 
 	finish_script_execution();