diff --git a/programs/reg/Makefile.in b/programs/reg/Makefile.in
index 17e8f81d164..6fb05f14534 100644
--- a/programs/reg/Makefile.in
+++ b/programs/reg/Makefile.in
@@ -5,7 +5,8 @@ SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 MODULE    = reg.exe
 APPMODE   = -mconsole -municode
-IMPORTS   = advapi32 user32 kernel32
+IMPORTS   = advapi32 kernel32
+DELAYIMPORTS = user32
 
 C_SRCS = reg.c
 
diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index 2f1da6e0900..34da9f14062 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -17,6 +17,7 @@
  */
 
 #include <windows.h>
+#include <wine/unicode.h>
 #include "reg.h"
 
 static int reg_printfW(const WCHAR *msg, ...)
@@ -27,7 +28,7 @@ static int reg_printfW(const WCHAR *msg, ...)
     WCHAR msg_buffer[8192];
 
     va_start(va_args, msg);
-    wvsprintfW(msg_buffer, msg, va_args);
+    vsprintfW(msg_buffer, msg, va_args);
     va_end(va_args);
 
     wlen = lstrlenW(msg_buffer);