diff --git a/src/zr/visualeffects/visualambience.inc b/src/zr/visualeffects/visualambience.inc
index b4a8ba3..4e44525 100644
--- a/src/zr/visualeffects/visualambience.inc
+++ b/src/zr/visualeffects/visualambience.inc
@@ -315,6 +315,7 @@ VAmbienceApplyFog(bool:override = false)
         {
             // Delete fog.
             AcceptEntityInput(fogindex, "Kill");
+            fogindex = -1;
         }
     }