diff --git a/debian/rules b/debian/rules
index 3e125f6..9036158 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,11 +1,11 @@
 #!/usr/bin/make -f
 
 export PYBUILD_NAME=swh-model
 
 %:
 	dh $@ --with python3 --buildsystem=pybuild
 
 override_dh_auto_test:
 	PYBUILD_SYSTEM=custom \
-        PYBUILD_TEST_ARGS="python{version} -m nose swh -sva '!db,!fs'" \
+        PYBUILD_TEST_ARGS="cd {build_dir}; python{version} -m nose swh -sva '!db,!fs'" \
         dh_auto_test