diff --git a/src/playsim/a_decals.cpp b/src/playsim/a_decals.cpp
index 73dc86771f..cba5de2f3b 100644
--- a/src/playsim/a_decals.cpp
+++ b/src/playsim/a_decals.cpp
@@ -891,7 +891,7 @@ DBaseDecal *ShootDecal(FLevelLocals *Level, const FDecalTemplate *tpl, sector_t
 
 	if (trace.HitType == TRACE_HitWall)
 	{
-		return DImpactDecal::StaticCreate(Level, tpl, trace.HitPos, trace.Line->sidedef[trace.Side], NULL, 0, 0, permanent);
+		return DImpactDecal::StaticCreate(Level, tpl, trace.HitPos, trace.Line->sidedef[trace.Side], trace.ffloor, 0, 0, permanent);
 	}
 	return NULL;
 }