diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
index 920de2d277a..1ac0813cdf1 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
@@ -310,7 +310,7 @@ private static string GetUri(HttpRequest request)
             var queryString = request.QueryString.Value ?? string.Empty;
             var length = scheme.Length + Uri.SchemeDelimiter.Length + host.Length + pathBase.Length
                          + path.Length + queryString.Length;
-#if NETSTANDARD2_1
+#if NETSTANDARD2_1_OR_GREATER || NETCOREAPP3_1_OR_GREATER
             return string.Create(length, (scheme, host, pathBase, path, queryString), (span, parts) =>
             {
                 CopyTo(ref span, parts.scheme);