diff --git a/tests/unit/test_pylama_isort.py b/tests/unit/test_pylama_isort.py
index b7b78c138..1fe19bfa1 100644
--- a/tests/unit/test_pylama_isort.py
+++ b/tests/unit/test_pylama_isort.py
@@ -17,3 +17,8 @@ def test_run(self, src_dir, tmpdir):
         incorrect = tmpdir.join("incorrect.py")
         incorrect.write("import b\nimport a\n")
         assert self.instance.run(str(incorrect))
+
+    def test_skip(self, src_dir, tmpdir):
+        incorrect = tmpdir.join("incorrect.py")
+        incorrect.write("# isort: skip_file\nimport b\nimport a\n")
+        assert not self.instance.run(str(incorrect))