diff --git a/spec/integration/mutant/corpus_spec.rb b/spec/integration/mutant/corpus_spec.rb
index 87791fcc..be091456 100644
--- a/spec/integration/mutant/corpus_spec.rb
+++ b/spec/integration/mutant/corpus_spec.rb
@@ -11,6 +11,7 @@ describe 'Mutant on ruby corpus' do
 
   before do
     skip 'Corpus test is deactivated on 1.9.3' if RUBY_VERSION.eql?('1.9.3')
+    skip 'Corpus test is deactivated on RBX' if RUBY_ENGINE.eql?('rbx')
   end
 
   MUTEX = Mutex.new