My Dellta kitchen faucet handle popped off and I can't seem to tighten it. Any tips?

[Rachel]

My Dellta kitchen faucet handle popped off and I can't seem to tighten it. Any tips?

 

[xxBabygirlxx]

move into a newer trailer

 

[Allie]

Get a new set screw from hardware store?

 

[Tamra]

Look up Delta online

 

[Mama]

remove the plastic plug on top of the handel and tighten the screw