diff --git a/opentelemetry-sdk/tests/resources/test_resources.py b/opentelemetry-sdk/tests/resources/test_resources.py
index 19499fe240a..c9649f685ad 100644
--- a/opentelemetry-sdk/tests/resources/test_resources.py
+++ b/opentelemetry-sdk/tests/resources/test_resources.py
@@ -19,6 +19,7 @@
 import uuid
 from logging import ERROR
 from unittest import mock
+from urllib import parse
 
 from opentelemetry.sdk import resources
 
@@ -501,6 +502,15 @@ def test_multiple_with_url_decode(self):
             detector.detect(),
             resources.Resource({"key": "value test\n", "key2": "value+ 2"}),
         )
+        self.assertEqual(
+            detector.detect(),
+            resources.Resource(
+                {
+                    "key": parse.unquote("value%20test%0A"),
+                    "key2": parse.unquote("value+%202"),
+                }
+            ),
+        )
 
     @mock.patch.dict(
         os.environ,