diff --git a/src/libslic3r/AppConfig.cpp b/src/libslic3r/AppConfig.cpp
index 12796b435f..2ab55109c9 100644
--- a/src/libslic3r/AppConfig.cpp
+++ b/src/libslic3r/AppConfig.cpp
@@ -141,6 +141,9 @@ void AppConfig::set_defaults()
 
         if (get("auto_toolbar_size").empty())
             set("auto_toolbar_size", "100");
+
+        if (get("use_binary_gcode_when_supported").empty())
+            set("use_binary_gcode_when_supported", "1");
  
        if (get("notify_release").empty())
            set("notify_release", "all"); // or "none" or "release"
@@ -686,25 +689,7 @@ bool AppConfig::update_skein_dir(const std::string &dir)
         return false; // do not save "shapes gallery" directory
     return this->set("recent", "skein_directory", dir);
 }
-/*
-std::string AppConfig::get_last_output_dir(const std::string &alt) const
-{
-	
-    const auto it = m_storage.find("");
-    if (it != m_storage.end()) {
-        const auto it2 = it->second.find("last_output_path");
-        const auto it3 = it->second.find("remember_output_path");
-        if (it2 != it->second.end() && it3 != it->second.end() && ! it2->second.empty() && it3->second == "1")
-            return it2->second;
-    }
-    return alt;
-}
 
-void AppConfig::update_last_output_dir(const std::string &dir)
-{
-    this->set("", "last_output_path", dir);
-}
-*/
 std::string AppConfig::get_last_output_dir(const std::string& alt, const bool removable) const
 {
 	std::string s1 = (removable ? "last_output_path_removable" : "last_output_path");
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 67ed5a7e89..b16477cabc 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -3343,6 +3343,10 @@ unsigned int Plater::priv::update_background_process(bool force_validation, bool
     // bitmap of enum UpdateBackgroundProcessReturnState
     unsigned int return_state = 0;
 
+    // Get the config ready. The binary gcode flag depends on Preferences, which the backend has no access to.
+    DynamicPrintConfig full_config = wxGetApp().preset_bundle->full_config();
+    full_config.set("binary_gcode", bool(full_config.opt_bool("binary_gcode") & wxGetApp().app_config->get_bool("use_binary_gcode_when_supported")));
+
     // If the update_background_process() was not called by the timer, kill the timer,
     // so the update_restart_background_process() will not be called again in vain.
     background_process_timer.Stop();
@@ -3350,7 +3354,7 @@ unsigned int Plater::priv::update_background_process(bool force_validation, bool
     update_print_volume_state();
     // Apply new config to the possibly running background task.
     bool               was_running = background_process.running();
-    Print::ApplyStatus invalidated = background_process.apply(q->model(), wxGetApp().preset_bundle->full_config());
+    Print::ApplyStatus invalidated = background_process.apply(q->model(), full_config);
 
     // Just redraw the 3D canvas without reloading the scene to consume the update of the layer height profile.
     if (view3D->is_layers_editing_enabled())
@@ -6797,7 +6801,9 @@ void Plater::export_gcode(bool prefer_removable)
                               _L("The following characters are not allowed by a FAT file system:") + " <>:/\\|?*\"";
                     return true;
                 }
-                err_out = check_binary_vs_ascii_gcode_extension(printer_technology(), ext, wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode"));
+                bool supports_binary = wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode");
+                bool uses_binary     = wxGetApp().app_config->get_bool("use_binary_gcode_when_supported");
+                err_out = check_binary_vs_ascii_gcode_extension(printer_technology(), ext, supports_binary && uses_binary);
                 return !err_out.IsEmpty();
             };
 
@@ -6806,7 +6812,9 @@ void Plater::export_gcode(bool prefer_removable)
                 ErrorDialog(this, error_str, [this](const std::string& key) -> void { sidebar().jump_to_option(key); }).ShowModal();
                 output_path.clear();
             } else {
-                alert_when_exporting_binary_gcode(wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode"),
+                bool supports_binary = wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode");
+                bool uses_binary     = wxGetApp().app_config->get_bool("use_binary_gcode_when_supported");
+                alert_when_exporting_binary_gcode(supports_binary && uses_binary,
                                                   wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_string("printer_notes"));
             }
         }
@@ -7358,7 +7366,8 @@ void Plater::send_gcode()
 
         {
             const std::string ext = boost::algorithm::to_lower_copy(dlg.filename().extension().string());
-            const bool binary_output = wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode");
+            const bool        binary_output = wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode") &&
+                                       wxGetApp().app_config->get_bool("use_binary_gcode_when_supported");
             const wxString error_str = check_binary_vs_ascii_gcode_extension(printer_technology(), ext, binary_output);
             if (! error_str.IsEmpty()) {
                 ErrorDialog(this, error_str, t_kill_focus([](const std::string& key) -> void { wxGetApp().sidebar().jump_to_option(key); })).ShowModal();
@@ -7366,7 +7375,9 @@ void Plater::send_gcode()
             }
         }
 
-        alert_when_exporting_binary_gcode(wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode"),
+        bool supports_binary = wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_bool("binary_gcode");
+        bool uses_binary     = wxGetApp().app_config->get_bool("use_binary_gcode_when_supported");
+        alert_when_exporting_binary_gcode(supports_binary && uses_binary,
                                           wxGetApp().preset_bundle->printers.get_edited_preset().config.opt_string("printer_notes"));
 
         upload_job.upload_data.upload_path = dlg.filename();
diff --git a/src/slic3r/GUI/Preferences.cpp b/src/slic3r/GUI/Preferences.cpp
index f3bfe59fb2..55e22f58c1 100644
--- a/src/slic3r/GUI/Preferences.cpp
+++ b/src/slic3r/GUI/Preferences.cpp
@@ -629,6 +629,11 @@ void PreferencesDialog::build()
 		};
 
 
+		append_bool_option(m_optgroup_other, "use_binary_gcode_when_supported", L("Use binary G-code when the printer supports it"),
+                    L("When checked and the 'Supports binary G-code' option is checked in Printer Settings, "
+                        "the G-code will be exported in binary format."),
+                    app_config->get_bool("use_binary_gcode_when_supported"));
+
 		append_bool_option(m_optgroup_other, "suppress_hyperlinks",
 			L("Suppress to open hyperlink in browser"),
 			L("If enabled, PrusaSlicer will not open a hyperlinks in your browser."),