diff --git a/qt/pe/app.py b/qt/pe/app.py
index da91e0f5..ad8831da 100644
--- a/qt/pe/app.py
+++ b/qt/pe/app.py
@@ -57,7 +57,7 @@ class DupeGuru(DupeGuruBase):
     EDITION = 'pe'
     LOGO_NAME = 'logo_pe'
     NAME = 'dupeGuru Picture Edition'
-    VERSION = '1.8.6'
+    VERSION = '1.9.0'
     DELTA_COLUMNS = frozenset([2, 5, 6])
     
     def __init__(self):
diff --git a/qt/pe/preferences_dialog.py b/qt/pe/preferences_dialog.py
index 11f2a676..049e8c90 100644
--- a/qt/pe/preferences_dialog.py
+++ b/qt/pe/preferences_dialog.py
@@ -35,6 +35,7 @@ class PreferencesDialog(QDialog, Ui_PreferencesDialog):
         setchecked(self.useRegexpBox, prefs.use_regexp)
         setchecked(self.removeEmptyFoldersBox, prefs.remove_empty_folders)
         self.copyMoveDestinationComboBox.setCurrentIndex(prefs.destination_type)
+        self.customCommandEdit.setText(prefs.custom_command)
     
     def save(self):
         prefs = self.app.prefs
@@ -45,6 +46,7 @@ class PreferencesDialog(QDialog, Ui_PreferencesDialog):
         prefs.use_regexp = ischecked(self.useRegexpBox)
         prefs.remove_empty_folders = ischecked(self.removeEmptyFoldersBox)
         prefs.destination_type = self.copyMoveDestinationComboBox.currentIndex()
+        prefs.custom_command = unicode(self.customCommandEdit.text())
     
     def resetToDefaults(self):
         self.load(preferences.Preferences())
diff --git a/qt/pe/preferences_dialog.ui b/qt/pe/preferences_dialog.ui
index 900f7206..b8bb11cb 100644
--- a/qt/pe/preferences_dialog.ui
+++ b/qt/pe/preferences_dialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>366</width>
-    <height>249</height>
+    <width>304</width>
+    <height>263</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -19,9 +19,9 @@
   <property name="modal">
    <bool>true</bool>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout" stretch="1,0">
+  <layout class="QVBoxLayout" name="verticalLayout_2">
    <item>
-    <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,0,0,0,0,1">
+    <layout class="QVBoxLayout" name="verticalLayout">
      <item>
       <layout class="QHBoxLayout" name="horizontalLayout_3">
        <item>
@@ -192,6 +192,16 @@
        </item>
       </layout>
      </item>
+     <item>
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>Custom Command (arguments: %d for dupe %r for ref):</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="customCommandEdit"/>
+     </item>
     </layout>
    </item>
    <item>