diff --git a/contrib/run-unittests.sh b/contrib/run-unittests.sh
index 1bc54c1f..d30df192 100755
--- a/contrib/run-unittests.sh
+++ b/contrib/run-unittests.sh
@@ -93,7 +93,12 @@ if [ -n "$with_pgsql" ]; then
     done
 fi
 
-(cd "$source_dir" && $docker run "${container_opts[@]}" $test_image "$@")
+tox_args=$@
+if [[ $tox_args == tests/* ]]; then
+    tox_args="/root/mbs/src/${tox_args}"
+fi
+
+(cd "$source_dir" && $docker run "${container_opts[@]}" $test_image "$tox_args")
 
 rv=$?
 
diff --git a/docs/CONTRIBUTING.rst b/docs/CONTRIBUTING.rst
index d10b1c16..3dfb96df 100644
--- a/docs/CONTRIBUTING.rst
+++ b/docs/CONTRIBUTING.rst
@@ -33,13 +33,13 @@ There are options to change the tests enviornment:
 For example, ``contrib/run-unittests.sh --py3 --with-pgsql``.
 
 You can specify the subset of tests to run inside the container as well. Tests
-specified from command-line are passed to ``py.test`` directly. Please note that,
-the path of each test must start with ``/src/``. For example::
+specified from the command-line are passed to ``py.test`` directly. Please note that,
+the path of each test must be a relative path. For example::
 
     contrib/run-unittests.sh \
-        /src/tests/test_utils/ \
-        /src/tests/test_mmd_resolver.py \
-        /src/tests/test_builder/test_koji.py::TestKojiBuilder::test_tag_to_repo
+        tests/test_utils/ \
+        tests/test_mmd_resolver.py \
+        tests/test_builder/test_koji.py::TestKojiBuilder::test_tag_to_repo
 
 Inside Vagrant machine
 ----------------------