diff --git a/nx/include/switch/kernel/tmem.h b/nx/include/switch/kernel/tmem.h
index 24e68586..4093812a 100644
--- a/nx/include/switch/kernel/tmem.h
+++ b/nx/include/switch/kernel/tmem.h
@@ -7,6 +7,7 @@
  */
 #pragma once
 #include "../types.h"
+#include "../kernel/svc.h"
 
 /// Transfer memory information structure.
 typedef struct {