diff --git a/pyjeeves/models/raw.py b/pyjeeves/models/raw.py
index 8ca878d..33675d1 100644
--- a/pyjeeves/models/raw.py
+++ b/pyjeeves/models/raw.py
@@ -144,7 +144,7 @@ class Article(RawBaseModel):
         unit = self._get_standard_alt_unit()
         if unit and unit.AltEnhetOmrFaktor:
             return unit.AltEnhetOmrFaktor
-        else:
+        elif unit:
             return unit.ArticleAlternativeUnit.AltEnhetOmrFaktor
 
         return 1