diff --git a/inselect/app.py b/inselect/app.py
index 635005e..53588f7 100644
--- a/inselect/app.py
+++ b/inselect/app.py
@@ -63,6 +63,8 @@ def main(args):
     window.show_from_geometry_settings()
 
     if parsed.file:
+        # Process messages before loading document
+        app.processEvents()
         window.open_file(parsed.file)
 
     if parsed.quit:
diff --git a/inselect/gui/main_window.py b/inselect/gui/main_window.py
index 11c1300..1a37e84 100644
--- a/inselect/gui/main_window.py
+++ b/inselect/gui/main_window.py
@@ -61,7 +61,7 @@ class MainWindow(QtGui.QMainWindow):
 
     IMAGE_FILE_FILTER = u'Images ({0})'.format(u' '.join(IMAGE_PATTERNS))
 
-    def __init__(self, app, filename=None):
+    def __init__(self, app):
         super(MainWindow, self).__init__()
         self.app = app
 
@@ -132,11 +132,6 @@ def __init__(self, app, filename=None):
 
         self.empty_document()
 
-        if filename:
-            # Process messages before loading document
-            QtGui.qApp.processEvents()
-            self.open_file(filename)
-
     def _create_views(self):
         "Creates view objects"
         # Boxes view