But that appears to have been resolved.
Now Scotland boss Clarke - without injured duo Lyndon Dykes and Ben Doak - has called Hirst up after seeing him score for the Tractor Boys in Saturday's 4-2 defeat to Nottingham Forest.
The 26-year-old played for England up to Under-20 level but Clarke persuaded him his future lies with Scotland.
The national boss said: "We had our first conversation about a month ago. He comes across as a very nice person. He wants to be here.
"Geor...