diff --git a/src/player_activity.cpp b/src/player_activity.cpp
index 9dd7d3496829..8cd39e4f07f6 100644
--- a/src/player_activity.cpp
+++ b/src/player_activity.cpp
@@ -95,6 +95,8 @@ void player_activity::migrate_item_position( Character &guy )
 void player_activity::set_to_null()
 {
     type = activity_id::NULL_ID();
+    //Get rid of any safe references now
+    targets.clear();
     sfx::end_activity_sounds(); // kill activity sounds when activity is nullified
 }