diff --git a/src/libslic3r/GCode/GCodeProcessor.cpp b/src/libslic3r/GCode/GCodeProcessor.cpp
index 3e42c91f5b..9c90535c4e 100644
--- a/src/libslic3r/GCode/GCodeProcessor.cpp
+++ b/src/libslic3r/GCode/GCodeProcessor.cpp
@@ -2861,6 +2861,8 @@ void GCodeProcessor::process_M109(const GCodeReader::GCodeLine& line)
         else
             m_extruder_temps[m_extruder_id] = new_temp;
     }
+    else if (line.has_value('S', new_temp))
+        m_extruder_temps[m_extruder_id] = new_temp;
 }
 
 void GCodeProcessor::process_M132(const GCodeReader::GCodeLine& line)
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 79003f518f..6538c0a9a4 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -834,7 +834,7 @@ bool MainFrame::can_save() const
 #if ENABLE_SAVE_COMMANDS_ALWAYS_ENABLED
     return (m_plater != nullptr) &&
         !m_plater->canvas3D()->get_gizmos_manager().is_in_editing_mode(false) &&
-        !m_plater->get_project_filename().empty() && m_plater->is_project_dirty();
+        m_plater->is_project_dirty();
 #else
     return (m_plater != nullptr) && !m_plater->model().objects.empty() &&
         !m_plater->canvas3D()->get_gizmos_manager().is_in_editing_mode(false) &&