diff --git a/src/calibre/gui2/convert/bulk.py b/src/calibre/gui2/convert/bulk.py
index 3a65a4617e..213f23ced2 100644
--- a/src/calibre/gui2/convert/bulk.py
+++ b/src/calibre/gui2/convert/bulk.py
@@ -8,8 +8,8 @@ import shutil
 
 from PyQt4.Qt import QString, SIGNAL
 
-from calibre.gui2.convert.single import Config, sort_formats_by_preference, \
-    GroupModel
+from calibre.gui2.convert.single import (Config, sort_formats_by_preference,
+    GroupModel, gprefs)
 from calibre.customize.ui import available_output_formats
 from calibre.gui2 import ResizableDialog
 from calibre.gui2.convert.look_and_feel import LookAndFeelWidget
@@ -62,6 +62,9 @@ class BulkConfig(Config):
                 'settings.'))
             o.setChecked(False)
 
+        geom = gprefs.get('convert_bulk_dialog_geom', None)
+        if geom:
+            self.restoreGeometry(geom)
 
     def setup_pipeline(self, *args):
         oidx = self.groups.currentIndex().row()
@@ -139,3 +142,9 @@ class BulkConfig(Config):
         self._recommendations = recs
         ResizableDialog.accept(self)
 
+    def done(self, r):
+        if self.isVisible():
+            gprefs['convert_bulk_dialog_geom'] = \
+                bytearray(self.saveGeometry())
+        return ResizableDialog.done(self, r)
+
diff --git a/src/calibre/gui2/convert/single.py b/src/calibre/gui2/convert/single.py
index 4d13ce371b..332dc4ae92 100644
--- a/src/calibre/gui2/convert/single.py
+++ b/src/calibre/gui2/convert/single.py
@@ -10,7 +10,7 @@ import cPickle, shutil
 
 from PyQt4.Qt import QString, SIGNAL, QAbstractListModel, Qt, QVariant, QFont
 
-from calibre.gui2 import ResizableDialog, NONE
+from calibre.gui2 import ResizableDialog, NONE, gprefs
 from calibre.ebooks.conversion.config import (GuiRecommendations, save_specifics,
         load_specifics)
 from calibre.gui2.convert.single_ui import Ui_Dialog
@@ -146,6 +146,9 @@ class Config(ResizableDialog, Ui_Dialog):
         rb = self.buttonBox.button(self.buttonBox.RestoreDefaults)
         self.connect(rb, SIGNAL('clicked()'), self.restore_defaults)
         self.groups.setMouseTracking(True)
+        geom = gprefs.get('convert_single_dialog_geom', None)
+        if geom:
+            self.restoreGeometry(geom)
 
     def restore_defaults(self):
         delete_specifics(self.db, self.book_id)
@@ -263,6 +266,12 @@ class Config(ResizableDialog, Ui_Dialog):
         self.break_cycles()
         ResizableDialog.reject(self)
 
+    def done(self, r):
+        if self.isVisible():
+            gprefs['convert_single_dialog_geom'] = \
+                bytearray(self.saveGeometry())
+        return ResizableDialog.done(self, r)
+
     def break_cycles(self):
         for i in range(self.stack.count()):
             w = self.stack.widget(i)