diff --git a/src/downloader/CMakeLists.txt b/src/downloader/CMakeLists.txt
index b6412de133..3f89d6ec7c 100644
--- a/src/downloader/CMakeLists.txt
+++ b/src/downloader/CMakeLists.txt
@@ -1,7 +1,8 @@
 #cmake_minimum_required(VERSION 3.13)
 #project(PrusaSlicer_Downloader)
 
-add_executable(PrusaSlicer_Downloader  WIN32 
+#add_executable(PrusaSlicer_Downloader  WIN32
+add_executable(PrusaSlicer_Downloader 
 	DownloaderApp.cpp
 	DownloaderApp.hpp
 	Download.cpp
diff --git a/src/downloader/DownloaderApp.cpp b/src/downloader/DownloaderApp.cpp
index 68e09b82b9..4cf3b5369f 100644
--- a/src/downloader/DownloaderApp.cpp
+++ b/src/downloader/DownloaderApp.cpp
@@ -125,10 +125,10 @@ bool DownloadApp::OnCmdLineParsed(wxCmdLineParser& parser)
         m_frame->Close(true);
         return false;
     } else {
-        if (!url.empty() && m_frame != nullptr)
+        if (!url.empty() && m_frame != nullptr) {
             m_frame->start_download(std::move(url));
-
-        //m_frame->start_download("open?file=https%3A%2F%2Fmedia.printables.com%2Fmedia%2Fprints%2F152208%2Fstls%2F1431590_8b8287b3-03b1-4cbe-82d0-268a0affa171%2Ff1_logo.stl");
+            //m_frame->start_download("prusaslicer://open?file=https%3A%2F%2Fmedia.printables.com%2Fmedia%2Fprints%2F152208%2Fstls%2F1431590_8b8287b3-03b1-4cbe-82d0-268a0affa171%2Ff1_logo.stl");
+        }
 
         return wxApp::OnCmdLineParsed(parser);
     } 
@@ -207,10 +207,12 @@ DownloadFrame::DownloadFrame(const wxString& title, const wxPoint& pos, const wx
 
 void DownloadFrame::start_download(wxString url)
 {
+    printf("start_download %s \n", boost::nowide::narrow(url).c_str());
 //    prusaslicer://open?file=https%3A%2F%2Fmedia.printables.com%2Fmedia%2Fprints%2F152208%2Fstls%2F1431590_8b8287b3-03b1-4cbe-82d0-268a0affa171%2Ff1_logo.stl
-    if (url.starts_with("prusaslicer://open/?file=")) {
+    if (url.starts_with("prusaslicer://open?file=")) {
         int id = get_next_id();
-        std::string escaped_url = FileGet::escape_url(boost::nowide::narrow(url.substr(25)));
+        std::string escaped_url = FileGet::escape_url(boost::nowide::narrow(url.substr(24)));
+        printf("escaped url %s \n", escaped_url.c_str());
         //log(std::to_string(id) + ": start " + escaped_url);
         //escaped_url = "https://media.printables.com/media/prints/216267/gcodes/1974221_32d21613-b567-4328-8261-49b46d9dd249/01_big_trex_skull_with_threads_015mm_pla_mk3_2d.gcode";
         m_downloads.emplace_back(std::make_unique<Download>(id, std::move(escaped_url), this, m_dest_folder));
@@ -229,11 +231,17 @@ void DownloadFrame::start_download(wxString url)
                 break;
             }
         }
+        printf("can start %d \n", can_start);
         if (can_start)
             m_downloads.back()->start();
 
     } else {
-        //log("wrong url: " + url);
+        printf("Did not parse \n");
+        if (url.size() > 24)
+        {
+            printf("%s\n", boost::nowide::narrow(url.substr(0,24)).c_str());
+            printf("prusaslicer://open?file=\n");
+        }
     }
    
 }
diff --git a/src/downloader/FromSlicer/Http.cpp b/src/downloader/FromSlicer/Http.cpp
index e96ea18e3e..29fad9c71d 100644
--- a/src/downloader/FromSlicer/Http.cpp
+++ b/src/downloader/FromSlicer/Http.cpp
@@ -1,5 +1,8 @@
 #include "Http.hpp"
 
+#include "slic3r/GUI/I18N.hpp"
+#include "slic3r/GUI/format.hpp"
+
 #include <cstdlib>
 #include <functional>
 #include <thread>
diff --git a/src/slic3r/GUI/DesktopIntegrationDialog.cpp b/src/slic3r/GUI/DesktopIntegrationDialog.cpp
index 9348c759ae..1ae701c338 100644
--- a/src/slic3r/GUI/DesktopIntegrationDialog.cpp
+++ b/src/slic3r/GUI/DesktopIntegrationDialog.cpp
@@ -423,16 +423,18 @@ void DesktopIntegrationDialog::perform_desktop_integration()
     bool url_destop_file = true;
     if (url_destop_file)
     {
+        boost::filesystem::path path(excutable_path);
+        std::string downloader_path = (path.parent_path() / "downloader/prusa-slicer-downloader").string();
         // no need for icon right?
         std::string desktop_file = GUI::format(
                 "[Desktop Entry]\n"
                 "Name=PrusaSlicer URL Protocol%1%\n"
-                "Exec=\"%3%\" %%u\n"
+                "Exec=\"%3%\" -u %%u\n"
                 "Terminal=false\n"
                 "Type=Application\n"
                 "MimeType=x-scheme-handler/prusaslicer;\n"
                 "StartupNotify=false\n"
-                , name_suffix, version_suffix, excutable_path);
+                , name_suffix, version_suffix, downloader_path);
 
         std::string desktop_path = GUI::format("%1%/applications/PrusaSlicerURLProtocol%2%.desktop", target_dir_desktop, version_suffix);
         if (create_desktop_file(desktop_path, desktop_file)) {