diff --git a/jOOQ/src/main/java/org/jooq/impl/CurrentUser.java b/jOOQ/src/main/java/org/jooq/impl/CurrentUser.java
index 89f68f0ede..61a17da71a 100644
--- a/jOOQ/src/main/java/org/jooq/impl/CurrentUser.java
+++ b/jOOQ/src/main/java/org/jooq/impl/CurrentUser.java
@@ -64,6 +64,7 @@ class CurrentUser extends AbstractFunction<String> {
 
             case DB2:
             case DERBY:
+            case FIREBIRD:
             case HSQLDB:
             case INGRES:
             case POSTGRES: