diff --git a/database/src/main/java/com/alttd/altitudeweb/setup/Connection.java b/database/src/main/java/com/alttd/altitudeweb/setup/Connection.java
index b5f2eab..3d1b14d 100644
--- a/database/src/main/java/com/alttd/altitudeweb/setup/Connection.java
+++ b/database/src/main/java/com/alttd/altitudeweb/setup/Connection.java
@@ -3,6 +3,7 @@ package com.alttd.altitudeweb.setup;
 import com.alttd.altitudeweb.database.Databases;
 import com.alttd.altitudeweb.database.web_db.DatabaseSettings;
 import com.alttd.altitudeweb.database.web_db.SettingsMapper;
+import com.alttd.altitudeweb.type_handler.UUIDTypeHandler;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.ibatis.datasource.pooled.PooledDataSource;
 import org.apache.ibatis.mapping.Environment;
@@ -13,6 +14,7 @@ import org.apache.ibatis.session.SqlSessionFactoryBuilder;
 import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
 
 import java.util.HashMap;
+import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 
@@ -124,6 +126,7 @@ public class Connection {
         dataSource.setPassword(settings.password());
         Environment environment = new Environment("production", new JdbcTransactionFactory(), dataSource);
         Configuration configuration = new Configuration(environment);
+        configuration.getTypeHandlerRegistry().register(UUID.class, UUIDTypeHandler.class);
         addMappers.apply(configuration);
 
         return new SqlSessionFactoryBuilder().build(configuration);