diff --git a/frontend/menu/menu_common.c b/frontend/menu/menu_common.c
index 4d307b05cd..bd826ca8f1 100644
--- a/frontend/menu/menu_common.c
+++ b/frontend/menu/menu_common.c
@@ -994,14 +994,14 @@ static int menu_iterate_func(void *data, unsigned action)
 
 #ifdef HAVE_OSK
    // process pending osk init callback
-   if (g_extern.osk.cb_init != NULL)
+   if (g_extern.osk.cb_init)
    {
       if (g_extern.osk.cb_init(driver.osk_data))
          g_extern.osk.cb_init = NULL;
    }
 
    // process pending osk callback
-   if (g_extern.osk.cb_callback != NULL)
+   if (g_extern.osk.cb_callback)
    {
       if (g_extern.osk.cb_callback(driver.osk_data))
          g_extern.osk.cb_callback = NULL;