diff --git a/Rakefile b/Rakefile
index ac935ddb..a6e3e102 100644
--- a/Rakefile
+++ b/Rakefile
@@ -10,7 +10,7 @@ def compile_parser
 
     sh "rm handlebars.js"
   else
-    puts "Failed to run Jison."
+    fail "Failed to run Jison."
   end
 end