diff --git a/src/slic3r/GUI/BackgroundSlicingProcess.cpp b/src/slic3r/GUI/BackgroundSlicingProcess.cpp
index d4e6fdd5dc..dbd8a51b19 100644
--- a/src/slic3r/GUI/BackgroundSlicingProcess.cpp
+++ b/src/slic3r/GUI/BackgroundSlicingProcess.cpp
@@ -228,6 +228,8 @@ void BackgroundSlicingProcess::process_fff()
 		BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format(" %1%: gcode_result reseted, will start print::process")%__LINE__;
 		m_print->process();
 		BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format(" %1%: after print::process, send slicing complete event to gui...")%__LINE__;
+		if (m_current_plate->get_filament_map_mode() == FilamentMapMode::fmmAuto)
+			m_current_plate->set_filament_maps(m_fff_print->get_filament_maps());
 
 		wxCommandEvent evt(m_event_slicing_completed_id);
 		// Post the Slicing Finished message for the G-code viewer to update.
@@ -922,7 +924,7 @@ void BackgroundSlicingProcess::prepare_upload()
 		    // todo: do we need to copy the file?
 		
             // Make a copy of the source path, as run_post_process_scripts() is allowed to change it when making a copy of the source file
-            // (not here, but when the final target is a file). 
+            // (not here, but when the final target is a file).
             if (!m_fff_print->is_BBL_printer()) {
                 std::string source_path_str = source_path.string();
                 std::string output_name_str = m_upload_job.upload_data.upload_path.string();