diff --git a/test/System.Linq.Dynamic.Core.Tests/Parser/StringParserTests.cs b/test/System.Linq.Dynamic.Core.Tests/Parser/StringParserTests.cs
index 6441fedf..0272f026 100644
--- a/test/System.Linq.Dynamic.Core.Tests/Parser/StringParserTests.cs
+++ b/test/System.Linq.Dynamic.Core.Tests/Parser/StringParserTests.cs
@@ -58,7 +58,7 @@ public void StringParser_ParseStringAndUnescape_With_UnexpectedUnrecognizedEscap
 
         parseException.Which.InnerException!.Message.Should().Contain("hexadecimal digits");
 
-        parseException.Which.StackTrace.Should().Contain("at System.Linq.Dynamic.Core.Parser.StringParser.ParseStringAndUnescape(String s, Int32 pos) in ").And.Contain("System.Linq.Dynamic.Core\\Parser\\StringParser.cs:line ");
+        parseException.Which.StackTrace.Should().Contain("at System.Linq.Dynamic.Core.Parser.StringParser.ParseStringAndUnescape(String s, Int32 pos) in ").And.Contain("StringParser.cs:line ");
     }
 
     [Theory]