diff --git a/data/database.py b/data/database.py
index 85db74142..be727238f 100644
--- a/data/database.py
+++ b/data/database.py
@@ -762,7 +762,7 @@ class QueueItem(BaseModel):
   available = BooleanField(default=True)
   processing_expires = DateTimeField(null=True)
   retries_remaining = IntegerField(default=5)
-  state_id = CharField(default=uuid_generator, index=True, unique=True)
+  state_id = CharField(default=uuid_generator, index=True, unique=False)
 
   class Meta:
     database = db
diff --git a/data/migrations/versions/fc47c1ec019f_add_state_id_field_to_queueitem.py b/data/migrations/versions/fc47c1ec019f_add_state_id_field_to_queueitem.py
index c5d5dcb2c..7b9085521 100644
--- a/data/migrations/versions/fc47c1ec019f_add_state_id_field_to_queueitem.py
+++ b/data/migrations/versions/fc47c1ec019f_add_state_id_field_to_queueitem.py
@@ -17,7 +17,7 @@ from sqlalchemy.dialects import mysql
 def upgrade(tables):
     # ### commands auto generated by Alembic - please adjust! ###
     op.add_column('queueitem', sa.Column('state_id', sa.String(length=255), nullable=False, server_default=''))
-    op.create_index('queueitem_state_id', 'queueitem', ['state_id'], unique=True)
+    op.create_index('queueitem_state_id', 'queueitem', ['state_id'], unique=False)
     # ### end Alembic commands ###