diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index 7f79c3e4ffb..1d5c4f2b31a 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -854,6 +854,8 @@ static void find_reg_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi, const char*
 
     NtClose(hkey);
 
+    if (idx == 1) return;  /* registry info not initialized yet */
+
     FIXME("Can't find matching timezone information in the registry for "
           "%s, bias %d, std (d/m/y): %u/%02u/%04u, dlt (d/m/y): %u/%02u/%04u\n",
           tz_name, tzi->Bias,