1 files changed, 1 insertions, 1 deletions
diff --git a/prelude.rb b/prelude.rb
index 8d6f70657e..a38a578595 100644
--- a/prelude.rb
+++ b/prelude.rb
@@ -7,7 +7,7 @@ class Mutex
     begin
       yield
     ensure
-      self.unlock
+      self.unlock rescue nil
     end
   end
 end