diff --git a/scripts/deploy-win-mingw.sh b/scripts/deploy-win-mingw.sh
index bf9f06ffd..93d6780f1 100644
--- a/scripts/deploy-win-mingw.sh
+++ b/scripts/deploy-win-mingw.sh
@@ -83,7 +83,7 @@ touch src/klayout_main/version.h
 rm -rf $target
 ./build.sh -python $python -ruby $ruby -bin $target -build $build -j2
 
-TESTSRC=. TESTTMP=$build/testtmp $bin/ut_runner -a >$build/ut_runner.xml
+TESTSRC=. TESTTMP=$build/testtmp $target/ut_runner -a >$build/ut_runner.xml
 
 if ! [ -e $target ]; then
   echo "ERROR: Target directory $target not found"