@@ -361,7 +361,7 @@ getClause l fn fp
361361 getNameFrom i used (PPi _ _ _ _)
362362 = uniqueNameFrom (mkSupply [sUN "f", sUN "g"]) used
363363 getNameFrom i used (PApp fc f as) = getNameFrom i used f
364− getNameFrom i used (PEq _ _ _ _ _) = uniqueNameFrom [sUN "prf"] used
364+ getNameFrom i used (PEq _ _ _ _ _) = uniqueNameFrom (mkSupply [sUN "prf"]) used
365365 getNameFrom i used (PRef fc f)
366366 = case getNameHints i f of
367367 [] -> uniqueName (sUN "x") used