diff --git a/src/main/java/billgates/database/MySQLDatabaseGateway.java b/src/main/java/billgates/database/MySQLDatabaseGateway.java
index 419a200..64f7978 100644
--- a/src/main/java/billgates/database/MySQLDatabaseGateway.java
+++ b/src/main/java/billgates/database/MySQLDatabaseGateway.java
@@ -202,7 +202,7 @@ public void createBill(int billId) {
                     "(\n" +
                     "    entry_id    int auto_increment\n" +
                     "        primary key,\n" +
-                    "    value       double     not null,\n" +
+                    "    value       decimal(16, 2)     not null,\n" +
                     "    date        timestamp  not null,\n" +
                     "    currency    varchar(5) null,\n" +
                     "    description text       null,\n" +