diff --git a/SilicaViewer/Document.swift b/SilicaViewer/Document.swift
index 2dd374e..5a0a8c6 100644
--- a/SilicaViewer/Document.swift
+++ b/SilicaViewer/Document.swift
@@ -408,17 +408,21 @@ class Document: NSDocument {
             let frameSize = objectsArray[frameSizeClassID] as! String
                         
             info.videoFrame = parsePairString(frameSize)!
-                        
+            
             let colorProfileClassKey = dict["colorProfile"]
-            let colorProfileClassID = getClassID(id: colorProfileClassKey)
-            let colorProfile = objectsArray[colorProfileClassID] as! NSDictionary
-                        
-            let colorProfileNameClassKey = colorProfile["SiColorProfileArchiveICCNameKey"]
-            let colorProfileNameClassID = getClassID(id: colorProfileNameClassKey)
-            let colorProfileName = objectsArray[colorProfileNameClassID] as! NSString
-                        
-            // we only support the basic "Display P3" color space... does Procreate actually store the ICC data??
-            if colorProfileName == "Display P3" {
+            if colorProfileClassKey != nil {
+                let colorProfileClassID = getClassID(id: colorProfileClassKey)
+                let colorProfile = objectsArray[colorProfileClassID] as! NSDictionary
+                            
+                let colorProfileNameClassKey = colorProfile["SiColorProfileArchiveICCNameKey"]
+                let colorProfileNameClassID = getClassID(id: colorProfileNameClassKey)
+                let colorProfileName = objectsArray[colorProfileNameClassID] as! NSString
+                            
+                // we only support the basic "Display P3" color space... does Procreate actually store the ICC data??
+                if colorProfileName == "Display P3" {
+                    info.colorSpace = CGColorSpace(name: CGColorSpace.displayP3)!
+                }
+            } else {
                 info.colorSpace = CGColorSpace(name: CGColorSpace.displayP3)!
             }
             
@@ -448,11 +452,13 @@ class Document: NSDocument {
             }
                                     
             let authorClassKey = dict[AuthorNameKey]
-            let authorClassID = getClassID(id: authorClassKey)
-            let authorString = objectsArray[authorClassID] as! String
-            
-            if authorString != "$null" {
-                info.authorName = authorString
+            if authorClassKey != nil {
+                let authorClassID = getClassID(id: authorClassKey)
+                let authorString = objectsArray[authorClassID] as! String
+                
+                if authorString != "$null" {
+                    info.authorName = authorString
+                }
             }
             
             let sizeClassKey = dict[SizeKey]