1 files changed, 1 insertions, 1 deletions
diff --git a/coverage/html.py b/coverage/html.py
index b0eff5f2..34bf6a61 100644
--- a/coverage/html.py
+++ b/coverage/html.py
@@ -281,7 +281,7 @@ class HtmlStatus(object):
                 status = pickle.load(fstatus)
             finally:
                 fstatus.close()
-        except IOError:
+        except (IOError, ValueError):
             usable = False
         else:
             usable = True