Index: test/array_pagination_test.rb
===================================================================
--- test/array_pagination_test.rb	(revision 409)
+++ test/array_pagination_test.rb	(working copy)
@@ -98,6 +98,13 @@
     assert_equal nil, entries.total_entries
   end
 
+  def test_create_guesses_page
+    entries = WillPaginate::Collection.create(nil, 5) do |pager|
+      pager.replace array
+    end
+    assert_equal 1, entries.current_page
+  end
+
   private
     def create(page = 2, limit = 5, total = nil, &block)
       WillPaginate::Collection.create(page, limit, total, &block)
Index: lib/will_paginate/collection.rb
===================================================================
--- lib/will_paginate/collection.rb	(revision 409)
+++ lib/will_paginate/collection.rb	(working copy)
@@ -16,7 +16,7 @@
     # populating the collection using the +replace+ method.
     #
     def initialize(page, per_page, total = nil)
-      @current_page = page.to_i
+      @current_page = page ? page.to_i : 1
       @per_page     = per_page.to_i
       
       self.total_entries = total if total