diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index d902fe3ffa1..b9b14848370 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     [ python pyqt4 sip popplerQt4 libpng imagemagick libjpeg
       fontconfig podofo qt4 pil chmlib icu
       pythonPackages.mechanize pythonPackages.lxml pythonPackages.dateutil
-      pythonPackages.cssutils pythonPackages.beautifulsoap
+      pythonPackages.cssutils pythonPackages.beautifulsoup
       pythonPackages.sqlite3 sqlite
     ];