diff --git a/trans/models.py b/trans/models.py
index f819123b9..0efd79c4f 100644
--- a/trans/models.py
+++ b/trans/models.py
@@ -212,7 +212,7 @@ class Translation(models.Model):
         # Load po file
         store = self.get_store()
         for pos, unit in enumerate(store.units):
-            if unit.istranslatable():
+            if not unit.istranslatable():
                 continue
             newunit = Unit.objects.update_from_unit(self, unit, pos)
             try: