diff --git a/Changelog.yaml b/Changelog.yaml
index a4b7984a40..d8a785dd43 100644
--- a/Changelog.yaml
+++ b/Changelog.yaml
@@ -4,6 +4,15 @@
 # for important features/bug fixes.
 # Also, each release can have new and improved recipes.
 
+- version: 0.6.42
+  date: 2010-02-20
+
+  bug fixes:
+    - title: "Fix regression that broke catalog generation from the Graphical User Interface in 0.6.41"
+    
+    - title: "Fix right edge of comics like Dilbert and xkcd getting cut off on the SONY reader. More generally, take page margins into account when rescaling images to fit in the selected output profile."
+
+
 - version: 0.6.41
   date: 2010-02-19
 
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index aec392a859..8b5191ee5d 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -2,7 +2,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
 __docformat__ = 'restructuredtext en'
 __appname__   = 'calibre'
-__version__   = '0.6.41'
+__version__   = '0.6.42'
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 
 import re
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 1b00865361..6ccb7363ec 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -1476,13 +1476,13 @@ class LibraryDatabase2(LibraryDatabase):
             try:
                 mi = get_metadata(stream, format)
             except:
-                import traceback
-                traceback.print_exc()
                 mi = MetaInformation(title, ['calibre'])
             stream.seek(0)
             mi.title, mi.authors = title, ['calibre']
             mi.tags = [_('Catalog')]
             mi.pubdate = mi.timestamp = utcnow()
+            if format == 'mobi':
+                mi.cover, mi.cover_data = None, (None, None)
             self.set_metadata(db_id, mi)
             self.add_format(db_id, format, stream, index_is_id=True)