diff --git a/squeaknode/db/alembic/versions/78b6e078848c_rename_client_host_and_client_port_.py b/squeaknode/db/alembic/versions/78b6e078848c_rename_client_host_and_client_port_.py
index f57b0b60..de851cef 100644
--- a/squeaknode/db/alembic/versions/78b6e078848c_rename_client_host_and_client_port_.py
+++ b/squeaknode/db/alembic/versions/78b6e078848c_rename_client_host_and_client_port_.py
@@ -20,17 +20,17 @@ def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     with op.batch_alter_table('received_payment', schema=None) as batch_op:
         batch_op.add_column(
-            sa.Column('peer_host', sa.String(), nullable=False))
+            sa.Column('peer_host', sa.String(), nullable=False, server_default=sa.literal('')))
         batch_op.add_column(
-            sa.Column('peer_port', sa.Integer(), nullable=False))
+            sa.Column('peer_port', sa.Integer(), nullable=False, server_default=sa.text('0')))
         batch_op.drop_column('client_port')
         batch_op.drop_column('client_host')
 
     with op.batch_alter_table('sent_offer', schema=None) as batch_op:
         batch_op.add_column(
-            sa.Column('peer_host', sa.String(), nullable=False))
+            sa.Column('peer_host', sa.String(), nullable=False, server_default=sa.literal('')))
         batch_op.add_column(
-            sa.Column('peer_port', sa.Integer(), nullable=False))
+            sa.Column('peer_port', sa.Integer(), nullable=False, server_default=sa.text('0')))
         batch_op.drop_column('client_port')
         batch_op.drop_column('client_host')