diff --git a/src/swrenderer/drawers/r_draw.h b/src/swrenderer/drawers/r_draw.h
index 48185728b..66843cc4e 100644
--- a/src/swrenderer/drawers/r_draw.h
+++ b/src/swrenderer/drawers/r_draw.h
@@ -2,6 +2,7 @@
 #pragma once
 
 #include "r_defs.h"
+#include <memory>
 
 struct FSWColormap;
 struct FLightNode;