diff --git a/haskell/src/SpaceTraders/Database/000_init.sql b/haskell/src/SpaceTraders/Database/000_init.sql
index 08a8553..47f28c3 100644
--- a/haskell/src/SpaceTraders/Database/000_init.sql
+++ b/haskell/src/SpaceTraders/Database/000_init.sql
@@ -14,7 +14,7 @@ CREATE TABLE contracts (
   data TEXT NOT NULL
 );
 CREATE UNIQUE INDEX contracts_data_id ON contracts (json_extract(data, '$.id'));
-CREATE UNIQUE INDEX contracts_data_fulfilled ON contracts (json_extract(data, '$.fulfilled'));
+CREATE INDEX contracts_data_fulfilled ON contracts (json_extract(data, '$.fulfilled'));
 CREATE TABLE ships (
   id INTEGER PRIMARY KEY,
   data TEXT NOT NULL
diff --git a/nodejs/database/000_init.sql b/nodejs/database/000_init.sql
index 67967b6..c1fbb98 100644
--- a/nodejs/database/000_init.sql
+++ b/nodejs/database/000_init.sql
@@ -14,4 +14,4 @@ CREATE TABLE contracts (
 	data TEXT NOT NULL
 );
 CREATE UNIQUE INDEX contracts_data_id ON contracts (json_extract(data, '$.id'));
-CREATE UNIQUE INDEX contracts_data_fulfilled ON contracts (json_extract(data, '$.fulfilled'));
+CREATE INDEX contracts_data_fulfilled ON contracts (json_extract(data, '$.fulfilled'));