diff --git a/data/migrations/versions/403d02fea323_add_new_blobupload_columns.py b/data/migrations/versions/403d02fea323_add_new_blobupload_columns.py
index cb5b74317..a99afb017 100644
--- a/data/migrations/versions/403d02fea323_add_new_blobupload_columns.py
+++ b/data/migrations/versions/403d02fea323_add_new_blobupload_columns.py
@@ -16,7 +16,7 @@ from sqlalchemy.dialects import mysql
 
 def upgrade(tables):
     ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('blobupload', sa.Column('chunk_count', sa.Integer(), nullable=False))
+    op.add_column('blobupload', sa.Column('chunk_count', sa.Integer(), server_default="0", nullable=False))
     op.add_column('blobupload', sa.Column('uncompressed_byte_count', sa.Integer(), nullable=True))
     ### end Alembic commands ###