diff --git a/debug.cr b/debug.cr
index f950953..b358849 100644
--- a/debug.cr
+++ b/debug.cr
@@ -3,7 +3,7 @@ require "./src/specparser"
 
 recipe_file_name = "some-non-existant-file"
 
-OptionParser.parse! do |parser|
+OptionParser.parse do |parser|
 	parser.on "-f file", "--file file", "File to parse." do |f|
 		recipe_file_name = f
 	end