diff --git a/src/ModelContextProtocol.Core/Server/AIFunctionMcpServerResource.cs b/src/ModelContextProtocol.Core/Server/AIFunctionMcpServerResource.cs
index 288a864fc..510806898 100644
--- a/src/ModelContextProtocol.Core/Server/AIFunctionMcpServerResource.cs
+++ b/src/ModelContextProtocol.Core/Server/AIFunctionMcpServerResource.cs
@@ -317,15 +317,21 @@ private AIFunctionMcpServerResource(AIFunction function, ResourceTemplate resour
     public override bool IsMatch(string uri)
     {
         Throw.IfNull(uri);
-        return TryMatch(uri, out _);
+
+        // For templates, use the Regex to parse. For static resources, we can just compare the URIs.
+        if (_uriParser is null)
+        {
+            // This resource is not templated.
+            return UriTemplate.UriTemplateComparer.Instance.Equals(uri, ProtocolResourceTemplate.UriTemplate);
+        }
+
+        return _uriParser.IsMatch(uri);
     }
 
     private bool TryMatch(string uri, out Match? match)
     {
-        // For templates, use the Regex to parse. For static resources, we can just compare the URIs.
         if (_uriParser is null)
         {
-            // This resource is not templated.
             match = null;
             return UriTemplate.UriTemplateComparer.Instance.Equals(uri, ProtocolResourceTemplate.UriTemplate);
         }