diff --git a/tests/docker-stacks-foundation/test_python_version.py b/tests/docker-stacks-foundation/test_python_version.py
index bf81df8356..1660627ea4 100644
--- a/tests/docker-stacks-foundation/test_python_version.py
+++ b/tests/docker-stacks-foundation/test_python_version.py
@@ -31,4 +31,4 @@ def test_python_pinned_version(container: TrackedContainer) -> None:
         tty=True,
         command=["cat", "/opt/conda/conda-meta/pinned"],
     )
-    assert f"python {EXPECTED_PYTHON_VERSION}.*" in logs
+    assert logs.startswith(f"python {EXPECTED_PYTHON_VERSION}.*")