diff --git a/lib/cucumber/ast/has_steps.rb b/lib/cucumber/ast/has_steps.rb
index c6744aff3f..30ac18f46a 100644
--- a/lib/cucumber/ast/has_steps.rb
+++ b/lib/cucumber/ast/has_steps.rb
@@ -46,7 +46,7 @@ def backtrace_line(step_name = "#{@keyword}: #{name}", line = self.line)
       end
 
       def source_indent(text_length)
-        max_line_length - text_length
+        [max_line_length - text_length, 0].max
       end
 
       def max_line_length