diff --git a/source/java/org/alfresco/repo/jscript/ScriptNode.java b/source/java/org/alfresco/repo/jscript/ScriptNode.java
index d838efc510..03ca401954 100644
--- a/source/java/org/alfresco/repo/jscript/ScriptNode.java
+++ b/source/java/org/alfresco/repo/jscript/ScriptNode.java
@@ -1211,7 +1211,10 @@ public class ScriptNode implements Serializable, Scopeable
         
         reset();
         
-        return newInstance(fileInfo.getNodeRef(), this.services, this.scope);
+        ScriptNode file = newInstance(fileInfo.getNodeRef(), this.services, this.scope);
+        file.setMimetype(this.services.getMimetypeService().guessMimetype(name));
+        
+        return file;
     }
     
     /**
@@ -2369,6 +2372,15 @@ public class ScriptNode implements Serializable, Scopeable
         {
             return contentData.getEncoding();
         }
+        
+        public void setEncoding(String encoding)
+        {
+            this.contentData = ContentData.setEncoding(this.contentData, encoding);
+            services.getNodeService().setProperty(nodeRef, this.property, this.contentData);
+            
+            // update cached variables after putContent()
+            this.contentData = (ContentData) services.getNodeService().getProperty(nodeRef, this.property);
+        }
 
         public void setMimetype(String mimetype)
         {