diff --git a/lib/mutant/runner.rb b/lib/mutant/runner.rb
index fbc54175..5f0adc6b 100644
--- a/lib/mutant/runner.rb
+++ b/lib/mutant/runner.rb
@@ -156,10 +156,8 @@ module Mutant
       input.each do |object|
         runner = visit(object)
         collection << runner
-        if runner.stop?
-          @stop = true
-          break
-        end
+        @stop = runner.stop?
+        break if @stop
       end
       collection
     end