diff --git a/src/trap.c b/src/trap.c
index 0ee5db704..d87f4131f 100644
--- a/src/trap.c
+++ b/src/trap.c
@@ -3133,6 +3133,7 @@ blow_up_landmine(struct trap *trap)
             }
         }
     }
+    fill_pit(x, y);
     spot_checks(x, y, old_typ);
 }