diff --git a/lib/irb/pager.rb b/lib/irb/pager.rb
index 1194e41f6..119515078 100644
--- a/lib/irb/pager.rb
+++ b/lib/irb/pager.rb
@@ -62,7 +62,7 @@ def setup_pager
           pager = Shellwords.split(pager)
           next if pager.empty?
 
-          if pager.first == 'less' || pager.first == 'more'
+          if pager.first == 'less'
             pager << '-R' unless pager.include?('-R')
           end