1 files changed, 4 insertions, 0 deletions
diff --git a/lib/irb/init.rb b/lib/irb/init.rb
index d2e325b86e..50a4d7b3bb 100644
--- a/lib/irb/init.rb
+++ b/lib/irb/init.rb
@@ -164,6 +164,10 @@ module IRB # :nodoc:
         @CONF[:USE_READLINE] = true
       when "--noreadline"
         @CONF[:USE_READLINE] = false
+      when "--reidline"
+        @CONF[:USE_REIDLINE] = true
+      when "--noreidline"
+        @CONF[:USE_REIDLINE] = false
       when "--echo"
         @CONF[:ECHO] = true
       when "--noecho"