diff --git a/tracer/test/Datadog.Trace.Tests/Propagators/W3CBaggagePropagatorTests.cs b/tracer/test/Datadog.Trace.Tests/Propagators/W3CBaggagePropagatorTests.cs
index 297405acbfa1..4c94d65bffd4 100644
--- a/tracer/test/Datadog.Trace.Tests/Propagators/W3CBaggagePropagatorTests.cs
+++ b/tracer/test/Datadog.Trace.Tests/Propagators/W3CBaggagePropagatorTests.cs
@@ -33,6 +33,7 @@ static W3CBaggagePropagatorTests()
             { string.Empty, [("key1", string.Empty)] },
             { "key1=value1,key2=value2", [("key1", "value1"), ("key2", "value2")] },
             { "key1=value1=valid", [("key1", "value1=valid")] },
+            { "key1=value1%2Cvalid", [("key1", "value1,valid")] },
             { "%20key1%20=%20value1%20", [(" key1 ", " value1 ")] },
             { "name=Jos%C3%A9", [("name", "José")] },
             { "key%F0%9F%90%B6=value%F0%9F%98%BA", [("key🐶", "value😺")] },
@@ -51,6 +52,7 @@ static W3CBaggagePropagatorTests()
             { "=", null },
             { "key1=value1,key2=value2", [("key1", "value1"), ("key2", "value2")] },
             { "key1=value1,invalid", [("key1", "value1")] },
+            { "key1=value1%2Cvalid", [("key1", "value1,valid")] },
             { "key1=value1=valid", [("key1", "value1=valid")] },
             { "%20key1%20=%20value1%20", [(" key1 ", " value1 ")] },
             { "name=Jos%C3%A9", [("name", "José")] },