diff --git a/Pilz.Net/Api/ApiServer.cs b/Pilz.Net/Api/ApiServer.cs
index ef3332e..d5d00a6 100644
--- a/Pilz.Net/Api/ApiServer.cs
+++ b/Pilz.Net/Api/ApiServer.cs
@@ -469,6 +469,7 @@ public class ApiServer : IApiServer
         {
             Log.Info("Sending raw bytes response for " + context.Request.RawUrl);
             context.Response.ContentType = "application/octet-stream";
+            context.Response.ContentLength64 = resultBytes.Length;
             context.Response.OutputStream.Write(resultBytes, 0, resultBytes.Length);
             context.Response.OutputStream.Flush();
         }
@@ -476,6 +477,7 @@ public class ApiServer : IApiServer
         {
             Log.Info("Sending stream response for " + context.Request.RawUrl);
             context.Response.ContentType = "application/octet-stream";
+            context.Response.ContentLength64 = resultStream.Length;
             resultStream.CopyTo(context.Response.OutputStream);
             context.Response.OutputStream.Flush();
             resultStream.Close();
diff --git a/Pilz.Net/Pilz.Net.csproj b/Pilz.Net/Pilz.Net.csproj
index 277e119..ade6833 100644
--- a/Pilz.Net/Pilz.Net.csproj
+++ b/Pilz.Net/Pilz.Net.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <Version>2.11.0</Version>
+    <Version>2.11.1</Version>
   </PropertyGroup>
   
   <ItemGroup>