diff --git a/src/add-ons/kernel/file_systems/udf/Array.h b/src/add-ons/kernel/file_systems/udf/Array.h
index f889c2a321..b6e41e2f74 100644
--- a/src/add-ons/kernel/file_systems/udf/Array.h
+++ b/src/add-ons/kernel/file_systems/udf/Array.h
@@ -8,6 +8,8 @@
 #ifndef _UDF_ARRAY_H
 #define _UDF_ARRAY_H
 
+#include <stdio.h>
+
 #include "cpp.h"
 
 #include "SupportDefs.h"