BD Broly (battle damaged) question

Is it normal that the head pin of my BD001 Vegeta is not locking in with the hand? It is very loose and he will come if easily when moved. Any advice? Tried pushing like he'll but it's still too lose

Is it normal that the head pin of my BD001 Vegeta is not locking in with the hand? It is very loose and he will come if easily when moved. Any advice? Tried pushing like he'll but it's still too lose