diff -r 450cefec7c11 -r cc19f7ca2ed6 src/HOL/Word/Bits_Bit.thy
--- a/src/HOL/Word/Bits_Bit.thy	Fri Aug 18 13:55:05 2017 +0200
+++ b/src/HOL/Word/Bits_Bit.thy	Fri Aug 18 20:47:47 2017 +0200
@@ -5,7 +5,7 @@
 section \<open>Bit operations in $\cal Z_2$\<close>
 
 theory Bits_Bit
-imports Bits "~~/src/HOL/Library/Bit"
+imports Bits "HOL-Library.Bit"
 begin
 
 instantiation bit :: bit