diff --git a/CoreImageHelpers/Info.plist b/CoreImageHelpers/Info.plist
index 0ee42e5..669e053 100644
--- a/CoreImageHelpers/Info.plist
+++ b/CoreImageHelpers/Info.plist
@@ -30,6 +30,8 @@
 	<array>
 		<string>armv7</string>
 	</array>
+	<key>NSCameraUsageDescription</key>
+	<string>Needs access to camera</string>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
diff --git a/CoreImageHelpers/coreImageHelpers/ImageView.swift b/CoreImageHelpers/coreImageHelpers/ImageView.swift
index 2cb5481..cb5a76c 100644
--- a/CoreImageHelpers/coreImageHelpers/ImageView.swift
+++ b/CoreImageHelpers/coreImageHelpers/ImageView.swift
@@ -43,6 +43,8 @@ class MetalImageView: MTKView
             fatalError("Device doesn't support Metal")
         }
         
+        isPaused = true
+        enableSetNeedsDisplay = false
         framebufferOnly = false
     }
 
@@ -56,11 +58,11 @@ class MetalImageView: MTKView
     {
         didSet
         {
-            renderImage()
+            draw()
         }
     }
     
-    func renderImage()
+    override func draw(_ rect: CGRect)
     {
         guard let
             image = image,