diff --git a/tasks/nanoc.rake b/tasks/nanoc.rake
index e78faf4..c391ac0 100644
--- a/tasks/nanoc.rake
+++ b/tasks/nanoc.rake
@@ -50,9 +50,10 @@ namespace :nanoc do
     sleep
   rescue Interrupt
     warn "SIGINT: exit"
+    exit
+  ensure
     warn "[build] Release lock..."
     lockf.release
-    exit
   end
 end