diff --git a/SimpleHttpServer/HttpServer.cs b/SimpleHttpServer/HttpServer.cs
index 43634d5..0ce8ecc 100644
--- a/SimpleHttpServer/HttpServer.cs
+++ b/SimpleHttpServer/HttpServer.cs
@@ -118,25 +118,27 @@ public sealed class HttpServer {
             }
 
             foreach (var location in attrib.Locations) {
-                int idx = location.IndexOf('{');
+                var normLocation = NormalizeUrlPath(location);
+                int idx = normLocation.IndexOf('{');
                 if (idx >= 0) {
                     // this path contains path parameters
                     throw new NotImplementedException("Path parameters are not yet implemented!");
                 }
 
                 var reqMethod = Enum.GetName(attrib.RequestMethod) ?? throw new ArgumentException("Request method was undefined");
-                simpleEndpointMethodInfos.Add((location, reqMethod), new EndpointInvocationInfo(mi, qparams));
+                simpleEndpointMethodInfos.Add((normLocation, reqMethod), new EndpointInvocationInfo(mi, qparams));
             }
         }
     }
 
     private readonly Dictionary<Type, IParameterConverter> stringToTypeParameterConverters = new();
 
+    private string NormalizeUrlPath(string url) => '/' + url.TrimStart('/');
 
     private async Task ProcessRequestAsync(HttpListenerContext ctx) {
         try {
             var decUri = WebUtility.UrlDecode(ctx.Request.RawUrl)!; // TODO add path escape countermeasures+unittests
-            var splitted = decUri.Split('?', 2, StringSplitOptions.None);
+            var splitted = NormalizeUrlPath(decUri).Split('?', 2, StringSplitOptions.None);
             var path = WebUtility.UrlDecode(splitted.First());