diff --git a/src/p_mobj.c b/src/p_mobj.c
index 1e2fe4f8f..a146027b9 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -9381,6 +9381,14 @@ ML_NOCLIMB : Direction not controllable
 		}
 	}
 
+	// ignore MTF_ flags and return early
+	if (i == MT_NIGHTSBUMPER)
+	{
+		mobj->angle = FixedAngle(mthing->angle*FRACUNIT);
+		mthing->mobj = mobj;
+		return;
+	}
+
 	mobj->angle = FixedAngle(mthing->angle*FRACUNIT);
 
 	if ((mthing->options & MTF_AMBUSH)