diff --git a/aurweb/models/package_keyword.py b/aurweb/models/package_keyword.py
index 2926740d..803e6bca 100644
--- a/aurweb/models/package_keyword.py
+++ b/aurweb/models/package_keyword.py
@@ -1,4 +1,4 @@
-from sqlalchemy import Column, ForeignKey, Integer
+from sqlalchemy import Column, ForeignKey, Integer, String, text
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import backref, relationship
 
@@ -18,7 +18,11 @@ class PackageKeyword(Base):
         "PackageBase", backref=backref("keywords", lazy="dynamic"),
         foreign_keys=[PackageBaseID])
 
-    __mapper_args__ = {"primary_key": [PackageBaseID]}
+    Keyword = Column(
+        String(255), primary_key=True, nullable=False,
+        server_default=text("''"))
+
+    __mapper_args__ = {"primary_key": [PackageBaseID, Keyword]}
 
     def __init__(self,
                  PackageBase: aurweb.models.package_base.PackageBase = None,