diff --git a/client.c b/client.c
index 141526e8..8e2c026b 100644
--- a/client.c
+++ b/client.c
@@ -744,7 +744,7 @@ client_updatewmhints(client_t *c)
     }
 }
 
-/** Update the size hintz of a client.
+/** Update the size hints of a client.
  * \param c The client.
  * \return A pointer to a xcb_size_hints_t.
  */
diff --git a/event.c b/event.c
index c6610507..95da39dc 100644
--- a/event.c
+++ b/event.c
@@ -531,7 +531,7 @@ event_handle_propertynotify(void *data __attribute__ ((unused)),
                 globalconf.screens[c->screen].need_arrange = true;
         }
         else if (ev->atom == WM_NORMAL_HINTS)
-            client_updatesizehints(c);
+            xcb_free_size_hints(client_updatesizehints(c));
         else if (ev->atom == WM_HINTS)
             client_updatewmhints(c);
         else if(ev->atom == WM_NAME || ev->atom == _NET_WM_NAME)