diff --git a/dll/win32/comctl32/button.c b/dll/win32/comctl32/button.c
index d187ca4f1f2..9002697d60c 100644
--- a/dll/win32/comctl32/button.c
+++ b/dll/win32/comctl32/button.c
@@ -1043,6 +1043,13 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
         paint_button( infoPtr, btn_type, ODA_FOCUS );
         if (style & BS_NOTIFY)
             BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS);
+#ifdef __REACTOS__
+        if (((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON)) &&
+            !(infoPtr->state & BST_CHECKED))
+        {
+            BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
+        }
+#endif
         break;
 
     case WM_KILLFOCUS:
diff --git a/win32ss/user/user32/controls/button.c b/win32ss/user/user32/controls/button.c
index 7f220ed450a..95d98e4e9d7 100644
--- a/win32ss/user/user32/controls/button.c
+++ b/win32ss/user/user32/controls/button.c
@@ -532,6 +532,13 @@ LRESULT WINAPI ButtonWndProc_common(HWND hWnd, UINT uMsg,
         paint_button( hWnd, btn_type, ODA_FOCUS );
         if (style & BS_NOTIFY)
             BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS);
+#ifdef __REACTOS__
+        if (((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON)) &&
+            !(get_button_state(hWnd) & BST_CHECKED))
+        {
+            BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
+        }
+#endif
         break;
 
     case WM_KILLFOCUS: