diff --git a/src/include/types.h b/src/include/types.h
index bfc30039a..d0242c01f 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -5367,7 +5367,7 @@ struct guncmd {
 	u8 type;
 	u8 unk01;
 	u16 unk02;
-	uintptr_t unk04;
+	intptr_t unk04;
 };
 
 struct pakthing {