diff --git a/base/applications/regedit/framewnd.c b/base/applications/regedit/framewnd.c
index 6f382a072cd..df1b796727d 100644
--- a/base/applications/regedit/framewnd.c
+++ b/base/applications/regedit/framewnd.c
@@ -1400,7 +1400,7 @@ LRESULT CALLBACK FrameWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPa
             return DefWindowProcW(hWnd, message, wParam, lParam);
         break;
     case WM_ACTIVATE:
-        if (LOWORD(hWnd) && g_pChildWnd)
+        if (LOWORD(wParam) != WA_INACTIVE && g_pChildWnd)
             SetFocus(g_pChildWnd->hWnd);
         break;
     case WM_SIZE: