The Dutchman, who spent eight years with Arsenal before his controversial £24million switch to Old Traffford last summer, made the mistake ahead of today’s Barclays Premier League clash in which he will start.
After making his way off the Manchester United team bus, Van Persie walked towards the Arsenal dressing room before realising his error, slapping his forehead and making his way to the away dressing room, sporting an embarrassed smile.
|Good to see you: Robin Van Persie shakes hands with Arsenal mascot Gunnersaurus|
|Wrong door: Van Persie attempts to walk in the Arsenal dressing room|
|Red faced: Van Persie realises his mistake|