diff --git a/include/psp2/kernel/clib.h b/include/psp2/kernel/clib.h
index bbb04f95e..cef17fa44 100644
--- a/include/psp2/kernel/clib.h
+++ b/include/psp2/kernel/clib.h
@@ -45,6 +45,8 @@ int sceClibTolower(char ch);
 int sceClibToupper(char ch);
 
 int sceClibPrintf(const char *fmt, ...);
+int sceClibDprintf(SceUID fd, const char *fmt, ...);
+
 int sceClibSnprintf(char *dst, SceSize dst_max_size, const char *fmt, ...);
 int sceClibVsnprintf(char *dst, SceSize dst_max_size, const char *fmt, va_list args);