diff --git a/odoo/tools/translate.py b/odoo/tools/translate.py
index 1822140482c..c2718de1c3e 100644
--- a/odoo/tools/translate.py
+++ b/odoo/tools/translate.py
@@ -260,7 +260,7 @@ def translate_xml_node(node, callback, parse, serialize):
 
         # translate the attributes of the node
         for key, val in node.attrib.items():
-            if val and key in TRANSLATED_ATTRS and TRANSLATED_ATTRS[key](node):
+            if nonspace(val) and key in TRANSLATED_ATTRS and TRANSLATED_ATTRS[key](node):
                 node.set(key, callback(val.strip()) or val)
 
     process(node)