diff --git a/.env b/.env
index eaf3698..5a6adb9 100644
--- a/.env
+++ b/.env
@@ -1 +1 @@
-DATABASE_URL=postgres://postgres@localhost/logos_neu
+DATABASE_URL=postgres://postgres@localhost/monzo_development
diff --git a/migration/src/lib.rs b/migration/src/lib.rs
index dc30a72..d12e5c7 100644
--- a/migration/src/lib.rs
+++ b/migration/src/lib.rs
@@ -5,6 +5,7 @@ mod m20240529_195030_add_transaction_identity_hash;
 mod m20240603_162500_make_title_optional;
 mod m20241015_195220_add_account_to_transactions;
 mod m20241015_200222_add_expenditure_transaction_fk;
+mod m20241015_200652_add_accounts;
 
 pub struct Migrator;
 
@@ -21,6 +22,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20240603_162500_make_title_optional::Migration),
             Box::new(m20241015_195220_add_account_to_transactions::Migration),
             Box::new(m20241015_200222_add_expenditure_transaction_fk::Migration),
+            Box::new(m20241015_200652_add_accounts::Migration),
         ]
     }
 }
diff --git a/migration/src/m20241015_200652_add_accounts.rs b/migration/src/m20241015_200652_add_accounts.rs
new file mode 100644
index 0000000..d052244
--- /dev/null
+++ b/migration/src/m20241015_200652_add_accounts.rs
@@ -0,0 +1,53 @@
+use sea_orm_migration::{prelude::*, schema::*};
+use crate::sea_orm::sqlx;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager.exec_stmt(
+            InsertStatement::new()
+                .into_table(Account::Table)
+                .columns(vec![Account::Name])
+                .values_panic(["Monzo".into()])
+                .values_panic(["Flex".into()])
+                .to_owned()
+        ).await?;
+
+        let id: i32 = manager.get_connection().query_one(
+            sea_orm::Statement::from_string(
+                manager.get_database_backend(),
+                "SELECT id FROM account WHERE name = 'Monzo'",
+            )
+        ).await?.expect("Monzo account not found").try_get_by_index(0)?;
+
+        manager.exec_stmt(
+            UpdateStatement::new()
+                .table(Transaction::Table)
+                .values([(Transaction::AccountId, id.into())])
+                .to_owned()
+        ).await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        // This is a data creation migration, so we do not roll back the migration
+        Ok(())
+    }
+}
+
+#[derive(DeriveIden)]
+enum Account {
+    Table,
+    Id,
+    Name,
+}
+
+#[derive(DeriveIden)]
+enum Transaction {
+    Table,
+    AccountId,
+}
diff --git a/src/ingestion/flex.rs b/src/ingestion/flex.rs
index 165de5c..f9c3715 100644
--- a/src/ingestion/flex.rs
+++ b/src/ingestion/flex.rs
@@ -3,7 +3,7 @@ mod headings {
     #[allow(unused_imports)]
     pub use super::super::ingestion_logic::headings::*;
 
-    // Additional FLex headings
+    // Additional Flex headings
     pub const MONEY_OUT: usize = 16;
     pub const MONEY_IN: usize = 17;
 }