diff --git a/beets/ui/__init__.py b/beets/ui/__init__.py
index 00733f340..79ca9e5bb 100644
--- a/beets/ui/__init__.py
+++ b/beets/ui/__init__.py
@@ -599,9 +599,9 @@ def show_model_changes(new, old=None, fields=None, always=False):
     """
     old = old or new._db._get(type(new), new.id)
 
-    # Build up lines showing changed or new fields.
+    # Build up lines showing changed fields.
     changes = []
-    for field in old.keys() + list(set(new.keys()) - set(old.keys())):
+    for field in old:
         # Subset of the fields. Never show mtime.
         if field == 'mtime' or (fields and field not in fields):
             continue
@@ -611,6 +611,13 @@ def show_model_changes(new, old=None, fields=None, always=False):
         if line:
             changes.append(u'  {0}: {1}'.format(field, line))
 
+    # New fields.
+    for field in set(new) - set(old):
+        changes.append(u'  {0}: {1}'.format(
+            field,
+            colorize('red', new._get_formatted(field))
+        ))
+
     # Print changes.
     if changes or always:
         print_obj(old, old._db)