diff --git a/tests/wrap.sh b/tests/wrap.sh
index 5cd6f53..a3bd89e 100755
--- a/tests/wrap.sh
+++ b/tests/wrap.sh
@@ -1,3 +1,7 @@
+if [ "$BIN_PATH" = "" ];
+then export BIN_PATH="$(pwd)/42sh"
+fi
+
 if [ "$COVERAGE" = "yes" ]; #coverage
 then ./testsuite && ../tests/functional/run-tests.sh
 else ../tests/functional/run-tests.sh