diff --git a/data/tools/unit_tree/html_output.py b/data/tools/unit_tree/html_output.py
index 6397272bdcd..2d879228587 100644
--- a/data/tools/unit_tree/html_output.py
+++ b/data/tools/unit_tree/html_output.py
@@ -1169,7 +1169,6 @@ def html_postprocess_file(filename, isocode, batchlist):
             else:
                 eids[1].append(e)
             
-            
     for i in xrange(2):
         eras = eids[i]
         eras.sort(key = lambda x: x[2])
diff --git a/data/tools/wmlunits b/data/tools/wmlunits
index 56f61cc69cb..8966cafb2ac 100755
--- a/data/tools/wmlunits
+++ b/data/tools/wmlunits
@@ -102,17 +102,17 @@ def list_contents():
             info[-1]["name"] = name
         info[-1]["units"] = "?"
         info[-1]["translations"] = {}
-        
-        info[-1]["translations"] = {}
+
         for isocode in languages:
             translation = html_output.Translation(options.transdir, isocode)
             def translate(string, domain):
                 return translation.translate(string, domain)
             if c:
-                info[-1]["translations"][isocode] = c.get_text_val("name",
-                    translation = translate)
+                t = c.get_text_val("name", translation = translate)
             else:
-                info[-1]["translations"][isocode] = translate(name, domain)
+                t = translate(name, domain)
+            if t != info[-1]["name"]:
+                info[-1]["translations"][isocode] = t
 
     def list_eras(addon):
         eras = local.wesnoth.parser.get_all(tag = "era")