diff --git a/ruby.yaml b/ruby.yaml
index 408acd5..907b034 100644
--- a/ruby.yaml
+++ b/ruby.yaml
@@ -29,6 +29,7 @@ data:
             ruby:
                 # From ruby.spec Summary
                 rationale: An interpreter of object-oriented scripting language
+                multilib: [ x86_64 ]
                 buildorder: 101
                 ref: master
             rubygem-abrt: