diff --git a/src/calibre/utils/podofo/__init__.py b/src/calibre/utils/podofo/__init__.py
index 4aa708ae66..55ff0ce9bb 100644
--- a/src/calibre/utils/podofo/__init__.py
+++ b/src/calibre/utils/podofo/__init__.py
@@ -38,7 +38,7 @@ def set_metadata(stream, mi):
                 mi.title, mi.authors, mi.book_producer, mi.tags, xmp_packet))
             touched = result['result']
         except WorkerError as e:
-            raise Exception('Failed to set PDF metadata: %s'%e.orig_tb)
+            raise Exception('Failed to set PDF metadata in (%s): %s'%(mi.title, e.orig_tb))
         if touched:
             with open(os.path.join(tdir, u'output.pdf'), 'rb') as f:
                 f.seek(0, 2)