diff --git a/tests/pipelines/test_params_file.py b/tests/pipelines/test_params_file.py
index 0450d3f99..723a8a561 100644
--- a/tests/pipelines/test_params_file.py
+++ b/tests/pipelines/test_params_file.py
@@ -64,4 +64,4 @@ def test_build_template_content(self):
             out = fh.read()
 
         assert "nf-core/testpipeline" in out
-        assert "# input = null" in out
+        assert "# input: null" in out