diff --git a/src/scripting/vmthunks_actors.cpp b/src/scripting/vmthunks_actors.cpp
index 05bcff74e3..968e0e7371 100644
--- a/src/scripting/vmthunks_actors.cpp
+++ b/src/scripting/vmthunks_actors.cpp
@@ -47,6 +47,7 @@
 #include "p_setup.h"
 #include "i_music.h"
 #include "p_terrain.h"
+#include "actorinlines.h"
 
 DVector2 AM_GetPosition();
 int Net_GetLatency(int *ld, int *ad);