diff --git a/tests/test_utils_namespace.py b/tests/test_utils_namespace.py
index 618799b24..86344f4ca 100644
--- a/tests/test_utils_namespace.py
+++ b/tests/test_utils_namespace.py
@@ -17,9 +17,9 @@ def test_namespace_pretty_repr_mixed_and_nested():
     output = repr(ns)
 
     expected = """\
-laser    : namespace(power='5W', wavelength='1030nm', mode='CW')
-detector : namespace(model='X-500')
-stage    : namespace()
+laser:     namespace(power='5W', wavelength='1030nm', mode='CW')
+detector:  namespace(model='X-500')
+stage:     namespace()
 experiment: namespace(id=42, meta=namespace(author='Dr. X', approved=True))
 """