diff -r 1792f8ed2b04 -r 0df43889f496 src/HOL/Mutabelle/lib/Tools/mutabelle
--- a/src/HOL/Mutabelle/lib/Tools/mutabelle	Fri Mar 18 22:15:51 2016 +0100
+++ b/src/HOL/Mutabelle/lib/Tools/mutabelle	Fri Mar 18 22:19:46 2016 +0100
@@ -134,7 +134,7 @@
 # execution
 
 isabelle process -o auto_time_limit=10.0 \
-  -e 'use_thy "$MUTABELLE_OUTPUT_PATH/Mutabelle_Test"' -l "$MUTABELLE_LOGIC" > "$MUTABELLE_OUTPUT_PATH/err" 2>&1
+  -T "$MUTABELLE_OUTPUT_PATH/Mutabelle_Test" -l "$MUTABELLE_LOGIC" > "$MUTABELLE_OUTPUT_PATH/err" 2>&1
 
 
 [ $? -ne 0 ] && echo "isabelle processing of mutabelle failed"