diff --git a/core/src/main/java/me/mastercapexd/auth/database/DatabaseHelper.java b/core/src/main/java/me/mastercapexd/auth/database/DatabaseHelper.java
index d0a196e3..07265f1e 100644
--- a/core/src/main/java/me/mastercapexd/auth/database/DatabaseHelper.java
+++ b/core/src/main/java/me/mastercapexd/auth/database/DatabaseHelper.java
@@ -2,15 +2,21 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.net.URL;
 import java.sql.SQLException;
+import java.util.List;
 import java.util.concurrent.Executors;
+import java.util.function.Consumer;
 
 import com.bivashy.auth.api.AuthPlugin;
 import com.bivashy.auth.api.config.database.DatabaseSettings;
 import com.bivashy.auth.api.config.database.schema.SchemaSettings;
+import com.j256.ormlite.db.DatabaseType;
 import com.j256.ormlite.field.DataPersisterManager;
 import com.j256.ormlite.jdbc.JdbcPooledConnectionSource;
+import com.j256.ormlite.jdbc.db.DatabaseTypeUtils;
+import com.j256.ormlite.jdbc.db.PostgresDatabaseType;
 import com.j256.ormlite.logger.Level;
 import com.j256.ormlite.logger.Logger;
 import com.j256.ormlite.support.ConnectionSource;
@@ -23,6 +29,7 @@
 import me.mastercapexd.auth.database.model.AccountLink;
 import me.mastercapexd.auth.database.model.AuthAccount;
 import me.mastercapexd.auth.database.persister.CryptoProviderPersister;
+import me.mastercapexd.auth.database.type.IdentityPostgresDatabaseType;
 import me.mastercapexd.auth.util.DownloadUtil;
 import me.mastercapexd.auth.util.DriverUtil;
 import me.mastercapexd.auth.util.HashUtils;
@@ -39,6 +46,12 @@ public DatabaseHelper(AuthPlugin plugin) {
         DatabaseSettings databaseConfiguration = plugin.getConfig().getDatabaseConfiguration();
         SchemaSettings schemaSettings = databaseConfiguration.getSchemaSettings();
 
+        // Related to https://github.com/j256/ormlite-core/issues/20
+        modifyDatabaseType(databaseTypes -> {
+            databaseTypes.removeIf(databaseType -> databaseType instanceof PostgresDatabaseType);
+            databaseTypes.add(new IdentityPostgresDatabaseType());
+        });
+
         Executors.newSingleThreadExecutor().execute(() -> {
             try {
                 Logger.setGlobalLogLevel(Level.WARNING);
@@ -75,6 +88,17 @@ public DatabaseHelper(AuthPlugin plugin) {
         });
     }
 
+    private void modifyDatabaseType(Consumer<List<DatabaseType>> consumer) {
+        try {
+            Field field = DatabaseTypeUtils.class.getDeclaredField("databaseTypes");
+            field.setAccessible(true);
+            List<DatabaseType> databaseTypes = (List<DatabaseType>) field.get(null);
+            consumer.accept(databaseTypes);
+            field.setAccessible(false);
+        } catch(NoSuchFieldException | IllegalAccessException ignored) {
+        }
+    }
+
     public ConnectionSource getConnectionSource() {
         return connectionSource;
     }
diff --git a/core/src/main/java/me/mastercapexd/auth/database/type/IdentityPostgresDatabaseType.java b/core/src/main/java/me/mastercapexd/auth/database/type/IdentityPostgresDatabaseType.java
new file mode 100644
index 00000000..4e969991
--- /dev/null
+++ b/core/src/main/java/me/mastercapexd/auth/database/type/IdentityPostgresDatabaseType.java
@@ -0,0 +1,27 @@
+package me.mastercapexd.auth.database.type;
+
+import java.util.List;
+
+import com.j256.ormlite.field.FieldType;
+import com.j256.ormlite.jdbc.db.PostgresDatabaseType;
+
+/**
+ * From: <a href="https://github.com/j256/ormlite-core/issues/20#issuecomment-443361114">Source</a>
+ */
+public class IdentityPostgresDatabaseType extends PostgresDatabaseType {
+    @Override
+    public boolean isIdSequenceNeeded() {
+        return driver.getMajorVersion() < 10;
+    }
+
+    @Override
+    protected void configureGeneratedId(String tableName, StringBuilder sb, FieldType fieldType,
+                                        List<String> statementsBefore, List<String> statementsAfter,
+                                        List<String> additionalArgs, List<String> queriesAfter) {
+        if (fieldType.isAllowGeneratedIdInsert())
+            sb.append("GENERATED BY DEFAULT AS IDENTITY ");
+        else
+            sb.append("GENERATED ALWAYS AS IDENTITY ");
+        configureId(sb, fieldType, statementsBefore, additionalArgs, queriesAfter);
+    }
+}
\ No newline at end of file