diff --git a/social_core/backends/base.py b/social_core/backends/base.py
index ba924e42e..8d3bd2b96 100644
--- a/social_core/backends/base.py
+++ b/social_core/backends/base.py
@@ -146,7 +146,7 @@ def extra_data(self, user, uid, response, details=None, *args, **kwargs):
                 elif size == 1:
                     name = alias = entry[0]
                     discard = False
-                value = response.get(name) or details.get(name) or details.get(alias)
+                value = response.get(name, details.get(name, details.get(alias)))
                 if discard and not value:
                     continue
                 data[alias] = value