diff --git a/base/applications/cmdutils/reg/reg.c b/base/applications/cmdutils/reg/reg.c
index 21a08615531..22e54c069c1 100644
--- a/base/applications/cmdutils/reg/reg.c
+++ b/base/applications/cmdutils/reg/reg.c
@@ -132,10 +132,9 @@ static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
     WCHAR *str;
     DWORD len;
 
-    SetLastError(NO_ERROR);
     len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
                          fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
-    if (len == 0 && GetLastError() != NO_ERROR)
+    if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
     {
         WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
         return;
diff --git a/sdk/tools/winesync/reg.cfg b/sdk/tools/winesync/reg.cfg
new file mode 100644
index 00000000000..006dabe76f1
--- /dev/null
+++ b/sdk/tools/winesync/reg.cfg
@@ -0,0 +1,7 @@
+directories:
+  programs/reg: base/applications/cmdutils/reg
+  programs/reg/tests: modules/rostests/winetests/reg
+files:
+  programs/reg/resource.h: base/applications/cmdutils/reg/resource.h
+tags:
+  wine: f81d15beb690c5e08c5995b90aec8015218bee55