diff --git a/src/scripting/vmiterators.cpp b/src/scripting/vmiterators.cpp
index 9655bb625a..172ba5d22f 100644
--- a/src/scripting/vmiterators.cpp
+++ b/src/scripting/vmiterators.cpp
@@ -27,6 +27,7 @@
 #include "actor.h"
 #include "p_tags.h"
 #include "p_maputl.h"
+#include "g_levellocals.h"
 #include "vm.h"
 
 //==========================================================================