diff --git a/src/classes/app.py b/src/classes/app.py
index 2c6d0154bf..2884858609 100644
--- a/src/classes/app.py
+++ b/src/classes/app.py
@@ -128,6 +128,9 @@ def __init__(self, *args, mode=None):
             # Stop launching and exit
             sys.exit()
 
+        # Set location of OpenShot program (for libopenshot)
+        openshot.Settings.Instance().PATH_OPENSHOT_INSTALL = info.PATH
+
         # Tests of project data loading/saving
         self.project = project_data.ProjectDataStore()
 
diff --git a/src/windows/main_window.py b/src/windows/main_window.py
index d3535960da..a3b46db194 100644
--- a/src/windows/main_window.py
+++ b/src/windows/main_window.py
@@ -447,6 +447,8 @@ def actionImportImageSequence_trigger(self, event):
 
     def actionClearHistory_trigger(self, event):
         """Clear history for current project"""
+        project = get_app().project
+        project.has_unsaved_changes = True
         get_app().updates.reset()
         log.info('History cleared')
 
diff --git a/src/windows/views/files_listview.py b/src/windows/views/files_listview.py
index a56eda6371..65df788872 100644
--- a/src/windows/views/files_listview.py
+++ b/src/windows/views/files_listview.py
@@ -1,27 +1,27 @@
-""" 
+"""
  @file
  @brief This file contains the project file listview, used by the main window
  @author Noah Figg <eggmunkee@hotmail.com>
  @author Jonathan Thomas <jonathan@openshot.org>
- 
+
  @section LICENSE
- 
+
  Copyright (c) 2008-2018 OpenShot Studios, LLC
  (http://www.openshotstudios.com). This file is part of
  OpenShot Video Editor (http://www.openshot.org), an open-source project
  dedicated to delivering high quality video editing and animation solutions
  to the world.
- 
+
  OpenShot Video Editor is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
- 
+
  OpenShot Video Editor is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
- 
+
  You should have received a copy of the GNU General Public License
  along with OpenShot Library.  If not, see <http://www.gnu.org/licenses/>.
  """
@@ -151,6 +151,9 @@ def add_file(self, filepath):
                 file_data["media_type"] = "image"
             elif file_data["has_audio"] and not file_data["has_video"]:
                 file_data["media_type"] = "audio"
+            else:
+                # If neither set, just assume video
+                file_data["media_type"] = "video"
 
             # Save new file to the project data
             file = File()
diff --git a/src/windows/views/files_treeview.py b/src/windows/views/files_treeview.py
index 82a5bf637f..a6137c768d 100644
--- a/src/windows/views/files_treeview.py
+++ b/src/windows/views/files_treeview.py
@@ -1,28 +1,28 @@
-""" 
+"""
  @file
  @brief This file contains the project file treeview, used by the main window
  @author Noah Figg <eggmunkee@hotmail.com>
  @author Jonathan Thomas <jonathan@openshot.org>
  @author Olivier Girard <eolinwen@gmail.com>
- 
+
  @section LICENSE
- 
+
  Copyright (c) 2008-2018 OpenShot Studios, LLC
  (http://www.openshotstudios.com). This file is part of
  OpenShot Video Editor (http://www.openshot.org), an open-source project
  dedicated to delivering high quality video editing and animation solutions
  to the world.
- 
+
  OpenShot Video Editor is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
- 
+
  OpenShot Video Editor is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
- 
+
  You should have received a copy of the GNU General Public License
  along with OpenShot Library.  If not, see <http://www.gnu.org/licenses/>.
  """
@@ -150,6 +150,9 @@ def add_file(self, filepath):
                 file_data["media_type"] = "image"
             elif file_data["has_audio"] and not file_data["has_video"]:
                 file_data["media_type"] = "audio"
+            else:
+                # If neither set, just assume video
+                file_data["media_type"] = "video"
 
             # Save new file to the project data
             file = File()