diff -r 0c5cd369a643 -r 50b60f501b05 src/HOL/TPTP/atp_problem_import.ML
--- a/src/HOL/TPTP/atp_problem_import.ML	Tue Feb 10 14:29:36 2015 +0100
+++ b/src/HOL/TPTP/atp_problem_import.ML	Tue Feb 10 14:48:26 2015 +0100
@@ -178,7 +178,7 @@
         val (outcome, _) =
           Nitpick.pick_nits_in_term state params Nitpick.Normal i n step subst [] [] conj
       in
-        if outcome = "none" then ALLGOALS Skip_Proof.cheat_tac th else Seq.empty
+        if outcome = "none" then ALLGOALS (Skip_Proof.cheat_tac ctxt) th else Seq.empty
       end
   end