diff --git a/scripts/manage b/scripts/manage
index f9b4390250..8e27888824 100755
--- a/scripts/manage
+++ b/scripts/manage
@@ -286,19 +286,7 @@ __rvm_install_source()
   export GEM_HOME="$rvm_ruby_gem_home"
   export GEM_PATH="$rvm_ruby_gem_path"
 
-  case "$rvm_ruby_string" in
-    ruby-1.8*)
-      version="${rvm_ruby_version//*.}"
-      if [[ $version -lt 7 ]] ; then
-        "$rvm_scripts_path/rubygems" 1.3.7
-      else
-        "$rvm_scripts_path/rubygems" latest
-      fi
-      ;;
-    *)
-      "$rvm_scripts_path/rubygems" latest
-      ;;
-  esac
+  "$rvm_scripts_path/rubygems" ${rvm_rubygems_version:-latest}
   result=$?
 
   __rvm_bin_script