diff --git a/src/scripting/vmthunks_actors.cpp b/src/scripting/vmthunks_actors.cpp
index b747e587ea..8484f31837 100644
--- a/src/scripting/vmthunks_actors.cpp
+++ b/src/scripting/vmthunks_actors.cpp
@@ -52,6 +52,7 @@
 #include "p_local.h"
 #include "p_effect.h"
 #include "p_spec.h"
+#include "actorinlines.h"
 
 DVector2 AM_GetPosition();
 int Net_GetLatency(int *ld, int *ad);