diff --git a/src/slic3r/GUI/Auxiliary.cpp b/src/slic3r/GUI/Auxiliary.cpp
index f195066c0..f94ee1170 100644
--- a/src/slic3r/GUI/Auxiliary.cpp
+++ b/src/slic3r/GUI/Auxiliary.cpp
@@ -492,6 +492,7 @@ void AuFile::on_set_cover()
         thumbnail_img.SaveFile(encode_path(middle_img_path.c_str()));
     }
 
+    wxGetApp().plater()->set_plater_dirty(true);
     auto evt = wxCommandEvent(EVT_AUXILIARY_UPDATE_COVER);
     evt.SetString(s_default_folders[m_type]);
     evt.SetEventObject(m_parent);
diff --git a/src/slic3r/GUI/GUI_Utils.cpp b/src/slic3r/GUI/GUI_Utils.cpp
index 7cc0a6bc5..d683e33f1 100644
--- a/src/slic3r/GUI/GUI_Utils.cpp
+++ b/src/slic3r/GUI/GUI_Utils.cpp
@@ -430,7 +430,10 @@ bool load_image(const std::string &filename, wxImage &image)
         result = image.LoadFile(wxString::FromUTF8(filename.c_str()), wxBITMAP_TYPE_BMP);
     } else if (boost::algorithm::iends_with(filename, ".jpg")) {
         result = image.LoadFile(wxString::FromUTF8(filename.c_str()), wxBITMAP_TYPE_JPEG);
-    } else {
+    } else if (boost::algorithm::iends_with(filename, ".jpeg")) {
+        result = image.LoadFile(wxString::FromUTF8(filename.c_str()), wxBITMAP_TYPE_JPEG);
+    }
+    else {
         return false;
     }
     return result;