diff --git a/base/services/w32time/w32time.c b/base/services/w32time/w32time.c
index 590396fc771..abc58a5e151 100644
--- a/base/services/w32time/w32time.c
+++ b/base/services/w32time/w32time.c
@@ -297,7 +297,7 @@ ServiceMain(DWORD argc, LPWSTR *argv)
             */
         }
 
-        if (WaitForSingleObject(hStopEvent, dwInterval) == WAIT_OBJECT_0)
+        if (WaitForSingleObject(hStopEvent, dwInterval * 1000) == WAIT_OBJECT_0)
         {
             CloseHandle(hStopEvent);
             hStopEvent = NULL;