diff --git a/include/overlay_29_022E0354.h b/include/dg.h
similarity index 100%
rename from include/overlay_29_022E0354.h
rename to include/dg.h
diff --git a/main.lsf b/main.lsf
index d2079427..c6b4f142 100644
--- a/main.lsf
+++ b/main.lsf
@@ -183,7 +183,7 @@ Overlay OVY_29
 {
 	After OVY_10
 	Object asm/overlay_29_022DC240.o
-	Object src/overlay_29_022E0354.o
+	Object src/dg_022E0354.o
 	Object asm/overlay_29_022E0378.o
 	Object src/overlay_29_022E1A1C.o
 	Object asm/overlay_29_022E1A40.o
diff --git a/src/overlay_29_022E0354.c b/src/dg_022E0354.c
similarity index 82%
rename from src/overlay_29_022E0354.c
rename to src/dg_022E0354.c
index 220d6690..5898936a 100644
--- a/src/overlay_29_022E0354.c
+++ b/src/dg_022E0354.c
@@ -1,4 +1,4 @@
-#include "overlay_29_022E0354.h"
+#include "dg.h"
 
 u8 EntityIsValid__022E0354(struct entity *entity)
 {