diff --git a/debian/changelog b/debian/changelog
index 7ab8d1d..447d371 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -19,6 +19,7 @@ ubuntu-dev-tools (0.144) UNRELEASED; urgency=low
   [ Benjamin Drung ]
   * seeded-in-ubuntu: State in error message that it takes a source package.
     (LP: #1029155)
+  * sponsor-patch: Fix crash if Debian patch contains a slash.
 
  -- Stefano Rivera <stefanor@ubuntu.com>  Wed, 18 Jul 2012 12:47:01 +0200
 
diff --git a/ubuntutools/sponsor_patch/patch.py b/ubuntutools/sponsor_patch/patch.py
index c3db20a..931a533 100644
--- a/ubuntutools/sponsor_patch/patch.py
+++ b/ubuntutools/sponsor_patch/patch.py
@@ -28,7 +28,7 @@ class Patch(object):
 
     def __init__(self, patch):
         self._patch = patch
-        self._patch_file = re.sub(" ", "_", patch.title)
+        self._patch_file = re.sub(" |/", "_", patch.title)
         if not reduce(lambda r, x: r or self._patch.title.endswith(x),
                       (".debdiff", ".diff", ".patch"), False):
             Logger.info("Patch %s does not have a proper file extension." % \