diff --git a/src/Microsoft.AspNetCore.OData/Routing/Parser/DefaultODataPathParser.cs b/src/Microsoft.AspNetCore.OData/Routing/Parser/DefaultODataPathParser.cs
index 97163c438..7bc43e73f 100644
--- a/src/Microsoft.AspNetCore.OData/Routing/Parser/DefaultODataPathParser.cs
+++ b/src/Microsoft.AspNetCore.OData/Routing/Parser/DefaultODataPathParser.cs
@@ -39,7 +39,7 @@ public virtual ODataPath Parse(IEdmModel model, Uri serviceRoot, Uri odataPath,
                 uriParser = new ODataUriParser(model, odataPath, requestProvider);
             }
 
-            uriParser.Resolver = new UnqualifiedODataUriResolver { EnableCaseInsensitive = true };
+            uriParser.Resolver = uriParser.Resolver ?? new UnqualifiedODataUriResolver { EnableCaseInsensitive = true };
             uriParser.UrlKeyDelimiter = ODataUrlKeyDelimiter.Slash; // support key in parentheses and key as segment.
 
             // The ParsePath throws OData exceptions if the odata path is not valid.