diff --git a/article/models.py b/article/models.py
index d334dc84..17ecfd15 100755
--- a/article/models.py
+++ b/article/models.py
@@ -218,7 +218,7 @@ def source(self):
         """
         leg_dict = {
             "title": self.journal.title if self.journal else "",
-            "pubdate": str(self.pub_date_year) if self.pub_date_year else "",
+            "pubdate": self.issue.year if self.issue else "",
             "volume": self.issue.volume if self.issue else "",
             "number": self.issue.number if self.issue else "",
             "fpage": self.first_page,