My N73's joystick fell off after i pulled it directly upwards, I put it back on works fine, Is this normal?

Just pulled it towards the sky, fell off, put it back on pressed in it, works just fine, wont fall off unless i pull it again towards the sky, is this normal with joysticks? to fall of when pulled idrectly upwards?My N73's joystick fell off after i pulled it directly upwards, I put it back on works fine, Is this normal?
Don't worry. It's no problem. Just put it back to original state and it will work fine. :).