diff --git a/ui/drivers/ui_win32.c b/ui/drivers/ui_win32.c
index e4fca7bd4f..feda30acd2 100644
--- a/ui/drivers/ui_win32.c
+++ b/ui/drivers/ui_win32.c
@@ -337,7 +337,7 @@ void shader_dlg_show(HWND parent_hwnd)
                0, 0, SWP_NOSIZE | SWP_SHOWWINDOW);
       }
       else
-         ShowWindow(g_shader_dlg.hwnd, SW_SHOW);
+         ShowWindow(g_shader_dlg.hwnd, SW_SHOWNORMAL);
 
       shader_dlg_update_on_top_state();
 
@@ -364,7 +364,7 @@ static LRESULT CALLBACK ShaderDlgWndProc(HWND hwnd, UINT message,
       case WM_CLOSE:
       case WM_DESTROY:
       case WM_QUIT:
-         ShowWindow(g_shader_dlg.hwnd, 0);
+         ShowWindow(g_shader_dlg.hwnd, SW_HIDE);
          return 0;
 
       case WM_COMMAND:
diff --git a/ui/drivers/win32/ui_win32_window.c b/ui/drivers/win32/ui_win32_window.c
index 79f4d25187..40f7005655 100644
--- a/ui/drivers/win32/ui_win32_window.c
+++ b/ui/drivers/win32/ui_win32_window.c
@@ -60,9 +60,11 @@ void ui_window_win32_set_focused(void *data)
    SetFocus(window->hwnd);
 }
 
-void ui_window_win32_set_visible(void *data,
+void ui_window_win32_set_visible(void *data, 
         bool set_visible)
 {
+   ui_window_win32_t *window = (ui_window_win32_t*)data;
+   ShowWindow(window->hwnd, visible ? SW_SHOWNORMAL : SW_HIDE);
 }
 
 void ui_window_win32_set_title(void *data, char *buf)