diff --git a/dlls/advapi32/service.c b/dlls/advapi32/service.c
index 24985636153..f6b26109840 100644
--- a/dlls/advapi32/service.c
+++ b/dlls/advapi32/service.c
@@ -533,6 +533,7 @@ SC_HANDLE WINAPI OpenServiceW( SC_HANDLE hSCManager, LPCWSTR lpServiceName,
     if (r!=ERROR_SUCCESS)
     {
         free_sc_handle( retval );
+        SetLastError( ERROR_SERVICE_DOES_NOT_EXIST );
         return NULL;
     }