diff --git a/src/scripting/thingdef_data.cpp b/src/scripting/thingdef_data.cpp
index 44821bd1e1..421ef6ae5a 100644
--- a/src/scripting/thingdef_data.cpp
+++ b/src/scripting/thingdef_data.cpp
@@ -326,7 +326,7 @@ static FFlagDef ActorFlagDefs[]=
 	DEFINE_FLAG(RF, ABSMASKPITCH, AActor, renderflags),
 	DEFINE_FLAG(RF, XFLIP, AActor, renderflags),
 	DEFINE_FLAG(RF, YFLIP, AActor, renderflags),
-	DEFINE_FLAG(RF, INTERPOLATE, AActor, renderflags),
+	DEFINE_FLAG(RF, INTERPOLATEANGLES, AActor, renderflags),
 
 	// Bounce flags
 	DEFINE_FLAG2(BOUNCE_Walls, BOUNCEONWALLS, AActor, BounceFlags),