diff --git a/sdk/include/reactos/wine/test.h b/sdk/include/reactos/wine/test.h
index 0cbc40010b5..872ab75378a 100644
--- a/sdk/include/reactos/wine/test.h
+++ b/sdk/include/reactos/wine/test.h
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <windef.h>
 #include <winbase.h>
+#include <stdio.h> // In the future: replace by <wine/debug.h>
 
 #ifdef __WINE_CONFIG_H
 #error config.h should not be used in Wine tests
@@ -86,6 +87,8 @@ extern const char *wine_dbgstr_longlong( ULONGLONG ll );
 #endif
 static inline const char *debugstr_a( const char *s )  { return wine_dbgstr_an( s, -1 ); }
 static inline const char *debugstr_an( const CHAR *s, intptr_t n ) { return wine_dbgstr_an( s, n ); }
+static inline const char *debugstr_w( const WCHAR *s ) { return wine_dbgstr_wn( s, -1 ); }
+static inline const char *debugstr_wn( const WCHAR *s, int n ) { return wine_dbgstr_wn( s, n ); }
 static inline const char *wine_dbgstr_a( const char *s )  { return wine_dbgstr_an( s, -1 ); }
 static inline const char *wine_dbgstr_w( const WCHAR *s ) { return wine_dbgstr_wn( s, -1 ); }