diff --git a/utils/generate-command-help.rb b/utils/generate-command-help.rb
old mode 100644
new mode 100755
diff --git a/utils/generate-module-api-doc.rb b/utils/generate-module-api-doc.rb
old mode 100644
new mode 100755
index 8a16751b9..c6872e903
--- a/utils/generate-module-api-doc.rb
+++ b/utils/generate-module-api-doc.rb
@@ -1,3 +1,5 @@
+#!/usr/bin/env ruby
+
 # coding: utf-8
 # gendoc.rb -- Converts the top-comments inside module.c to modules API
 #              reference documentation in markdown format.