diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index 54f9b4e4ccea5323140547342fbfcf28bd126505..33961ce1c7d8b7f2c99051707eb81d5ff2e9b9fa 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fix loadable_constants_for_path to handle load paths that do not end with a slash. [Nicholas Seckar]
+
 * Fix logic error in determining what was loaded by a given file. Closes #6039. [Nicholas Seckar]
 
 * Equate Kernel.const_missing with Object.const_missing. Fixes #5988. [Nicholas Seckar]
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 1b027aa75bd7e66d12f1d4eee54ac78467c88abd..4a4861220ef6e2f36459f1c64f30358d614f4959 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -125,19 +125,18 @@ def loadable_constants_for_path(path, bases = load_paths - load_once_paths)
     expanded_path = File.expand_path(path)
     
     bases.collect do |root|
-      expanded_root = File.expand_path root
-      next unless expanded_path.starts_with? expanded_root
+      expanded_root = File.expand_path(root)
+      next unless %r{\A#{Regexp.escape(expanded_root)}(/|\\)} =~ expanded_path
       
       nesting = expanded_path[(expanded_root.size)..-1]
       nesting = nesting[1..-1] if nesting && nesting[0] == ?/
       next if nesting.blank?
       
-      names = [nesting.camelize]
-      
-      # Special case: application.rb might define ApplicationControlller.
-      names << 'ApplicationController' if nesting == 'application'
-      
-      names
+      [
+        nesting.camelize,
+        # Special case: application.rb might define ApplicationControlller.
+        ('ApplicationController' if nesting == 'application')
+      ]
     end.flatten.compact.uniq
   end
   
diff --git a/activesupport/test/dependencies_test.rb b/activesupport/test/dependencies_test.rb
index fcd2889ac21596091b425d6a6fffc9e80639d339..c1e95f51a9571379fe425d31739931cf93e0443c 100644
--- a/activesupport/test/dependencies_test.rb
+++ b/activesupport/test/dependencies_test.rb
@@ -250,6 +250,13 @@ def test_loadable_constants_for_path_should_uniq_results
     end
   end
   
+  def test_loadable_constants_with_load_path_without_trailing_slash
+    path = File.dirname(__FILE__) + '/autoloading_fixtures/class_folder/inline_class.rb'
+    with_loading 'autoloading_fixtures/class/' do
+      assert_equal [], Dependencies.loadable_constants_for_path(path)
+    end
+  end
+  
   def test_qualified_const_defined
     assert Dependencies.qualified_const_defined?("Object")
     assert Dependencies.qualified_const_defined?("::Object")