1 files changed, 5 insertions, 3 deletions
diff --git a/prelude.rb b/prelude.rb
index 8ce306caa2..8d6f70657e 100644
--- a/prelude.rb
+++ b/prelude.rb
@@ -4,9 +4,11 @@
 class Mutex
   def synchronize
     self.lock
-    yield
-  ensure
-    self.unlock
+    begin
+      yield
+    ensure
+      self.unlock
+    end
   end
 end