diff -r 450cefec7c11 -r cc19f7ca2ed6 src/HOL/HOLCF/IOA/ABP/Correctness.thy
--- a/src/HOL/HOLCF/IOA/ABP/Correctness.thy	Fri Aug 18 13:55:05 2017 +0200
+++ b/src/HOL/HOLCF/IOA/ABP/Correctness.thy	Fri Aug 18 20:47:47 2017 +0200
@@ -5,7 +5,7 @@
 section \<open>The main correctness proof: System_fin implements System\<close>
 
 theory Correctness
-imports "../IOA" Env Impl Impl_finite
+imports IOA.IOA Env Impl Impl_finite
 begin
 
 ML_file "Check.ML"