diff --git a/lib/thor/parser/option.rb b/lib/thor/parser/option.rb
index c91e708b..23092462 100644
--- a/lib/thor/parser/option.rb
+++ b/lib/thor/parser/option.rb
@@ -111,7 +111,7 @@ def sample_banner
     end
 
     def inverse_sample
-      return unless boolean? && name !~ /^(force|no-.*)$/
+      return if !boolean? || name =~ /^(force|no-.*)$/
 
       case @inverse
       when Symbol, String