diff --git a/package/ruby/Config.in b/package/ruby/Config.in
index b7e0f83cbb..518302aa0f 100644
--- a/package/ruby/Config.in
+++ b/package/ruby/Config.in
@@ -3,7 +3,11 @@ comment "ruby has no inherent support for AVR32"
 
 config BR2_PACKAGE_RUBY
 	bool "ruby"
+	depends on BR2_USE_WCHAR
 	help
 	  Object Oriented Scripting Language.
 
 	  http://www.ruby-lang.org/
+
+comment "ruby requires a toolchain with WCHAR support"
+	depends on !BR2_USE_WCHAR