diff --git a/railties/lib/commands/plugin.rb b/railties/lib/commands/plugin.rb
index 980244a71baad..5c6cb7605ca1c 100644
--- a/railties/lib/commands/plugin.rb
+++ b/railties/lib/commands/plugin.rb
@@ -901,7 +901,7 @@ class RecursiveHTTPFetcher
   def initialize(urls_to_fetch, level = 1, cwd = ".")
     @level = level
     @cwd = cwd
-    @urls_to_fetch = urls_to_fetch.to_a
+    @urls_to_fetch = RUBY_VERSION >= '1.9' ? urls_to_fetch.lines : urls_to_fetch.to_a
     @quiet = false
   end