diff --git a/Source/Infra/EKRootViewController.swift b/Source/Infra/EKRootViewController.swift
index 738ad09c..a08c5b34 100644
--- a/Source/Infra/EKRootViewController.swift
+++ b/Source/Infra/EKRootViewController.swift
@@ -66,6 +66,8 @@ class EKRootViewController: UIViewController {
             return super.supportedInterfaceOrientations
         case .all:
             return .all
+        case .specified(let orientation):
+            return orientation
         }
     }
     
diff --git a/Source/Model/EntryAttributes/EKAttributes+PositionConstraints.swift b/Source/Model/EntryAttributes/EKAttributes+PositionConstraints.swift
index 7c3e539d..4543d733 100644
--- a/Source/Model/EntryAttributes/EKAttributes+PositionConstraints.swift
+++ b/Source/Model/EntryAttributes/EKAttributes+PositionConstraints.swift
@@ -136,8 +136,11 @@ public extension EKAttributes {
                 /** Uses standard supported interface orientation (target specification in general settings) */
                 case standard
                 
-                /** Supports all orinetations */
+                /** Supports all orientations */
                 case all
+
+                /** Specify orientation mask */
+                case specified(orientation: UIInterfaceOrientationMask)
             }
             
             /** Autorotate the entry along with the device orientation */