diff --git a/src/p_doors.cpp b/src/p_doors.cpp
index d6a5f3a44c..b16bd44356 100644
--- a/src/p_doors.cpp
+++ b/src/p_doors.cpp
@@ -688,7 +688,7 @@ void DAnimatedDoor::Tick ()
 //============================================================================
 
 DAnimatedDoor::DAnimatedDoor (sector_t *sec, line_t *line, int speed, int delay, FDoorAnimation *anim)
-	: DMovingCeiling (sec)
+	: DMovingCeiling (sec, false)
 {
 	double topdist;
 	FTextureID picnum;