diff --git a/tests/test_decoding.py b/tests/test_decoding.py
index e4b9506..51b22a7 100644
--- a/tests/test_decoding.py
+++ b/tests/test_decoding.py
@@ -110,4 +110,11 @@ def test_try_decode_metadata_nested():
     res = try_decode_metadata(nested_str)
     assert res.get("base64") == "666c61677b6e65737465645f666c61677d"
     assert res.get("base64->hex") == "flag{nested_flag}"
+# {{{ test_try_decode_metadata_unanchored
+def test_try_decode_metadata_unanchored():
+    """
+    Verifies that try_decode_metadata successfully decodes unanchored substrings (e.g. "steghide:cEF6endvcmQ=").
+    """
+    res = try_decode_metadata("steghide:cEF6endvcmQ=")
+    assert res.get("base64") == "pAzzword"
 # }}}