diff --git a/app/models/user.rb b/app/models/user.rb
index 4b65b3d..45ab4b4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -368,8 +368,10 @@ class User < Principal
       
     elsif project && project.is_a?(Array)
       # Authorize if user is authorized on every element of the array
-      project.inject do |memo,p|
-        memo && allowed_to?(action,p,options)
+      project.map do |p|
+        allowed_to?(action,p,options)
+      end.inject do |memo,p|
+        memo && p
       end
     elsif options[:global]
       # Admin users are always authorized
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index b451c1e..3f824f9 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -408,6 +408,10 @@ class UserTest < ActiveSupport::TestCase
         assert @jsmith.allowed_to?(:edit_issues, @jsmith.projects) #Manager or Developer everywhere
         assert ! @jsmith.allowed_to?(:delete_issue_watchers, @jsmith.projects) #Dev cannot delete_issue_watchers
       end
+      
+      should "behave correctly with arrays of 1 project" do
+        assert ! User.anonymous.allowed_to?(:delete_issues, [Project.first])
+      end
     end
     
     context "with options[:global]" do