diff --git a/include/test/overworld_script.h b/include/test/overworld_script.h
index e2f65930f5..2a6422834a 100644
--- a/include/test/overworld_script.h
+++ b/include/test/overworld_script.h
@@ -43,6 +43,8 @@
 #define RUN_OVERWORLD_SCRIPT(...) RunScriptImmediately(OVERWORLD_SCRIPT(__VA_ARGS__))
 
 // Make overworld script macros available.
-asm(".include \"asm/macros/event.inc\"\n");
+asm(".include \"constants/gba_constants.inc\"\n"
+    ".include \"asm/macros/asm.inc\"\n"
+    ".include \"asm/macros/event.inc\"\n");
 
 #endif