diff --git a/utils/size-stats-compare b/utils/size-stats-compare
index c679150654..2ccbe7d191 100755
--- a/utils/size-stats-compare
+++ b/utils/size-stats-compare
@@ -40,9 +40,9 @@ def read_file_size_csv(inputf, detail=None):
 
     for row in reader:
         if detail:
-            sizes[row[0]] = int(row[2])
+            sizes[(row[0], row[1])] = int(row[2])
         else:
-            sizes[row[1]] = int(row[3])
+            sizes[(None, row[1])] = int(row[3])
 
     return sizes
 
@@ -73,19 +73,27 @@ def print_results(result, threshold):
 
     from six import iteritems
     list_result = list(iteritems(result))
-    # result is a dictionary: name -> (flag, size difference)
-    # list_result is a list of tuples: (name, (flag, size difference))
+    # result is a dictionary: (filename, pkgname) -> (flag, size difference)
+    # list_result is a list of tuples: ((filename, pkgname), (flag, size difference))
+    # filename may be None if no detail is requested.
+
+    maxpkgname=max(len(pkgname) for filename, pkgname in result)
 
     for entry in sorted(list_result, key=lambda entry: entry[1][1]):
         data = dict(
-            name=entry[0],
+            filename=entry[0][0],
+            pkgname=entry[0][1],
             action=entry[1][0],
             size=entry[1][1],
+            maxpkgname=maxpkgname,
         )
 
         if threshold is not None and abs(data['size']) <= threshold:
             continue
-        print('{size:12d} {action:7s} {name}'.format(**data))
+        if data['filename']:
+            print('{size:12d} {action:7s} {pkgname:{maxpkgname}s} {filename}'.format(**data))
+        else:
+            print('{size:12d} {action:7s} {pkgname}'.format(**data))
 
 
 # main #########################################################################
@@ -132,5 +140,5 @@ print('Size difference per %s (bytes), threshold = %s' % (keyword, args.threshol
 print(80*'-')
 print_results(delta, args.threshold)
 print(80*'-')
-print_results({'TOTAL': ('', sum(new_sizes.values()) - sum(old_sizes.values()))},
+print_results({(None, 'TOTAL'): ('', sum(new_sizes.values()) - sum(old_sizes.values()))},
               threshold=None)