diff --git a/padrino-gen/lib/padrino-gen/generators/templates/gem/lib/libname.tt b/padrino-gen/lib/padrino-gen/generators/templates/gem/lib/libname.tt
index 298ff0cea..977f6d005 100644
--- a/padrino-gen/lib/padrino-gen/generators/templates/gem/lib/libname.tt
+++ b/padrino-gen/lib/padrino-gen/generators/templates/gem/lib/libname.tt
@@ -2,5 +2,5 @@ require 'padrino-core'
 
 module <%=name.camelcase%>
   extend Padrino::Module
-  gem! <%=name.inspect%>
+  gem! <%=name.downcase.inspect%>
 end
\ No newline at end of file