diff --git a/jOOQ-test/src/org/jooq/test/_/testcases/SelectTests.java b/jOOQ-test/src/org/jooq/test/_/testcases/SelectTests.java
index 26560066c1..5e42a695d4 100644
--- a/jOOQ-test/src/org/jooq/test/_/testcases/SelectTests.java
+++ b/jOOQ-test/src/org/jooq/test/_/testcases/SelectTests.java
@@ -460,6 +460,7 @@ extends BaseTest<A, AP, B, S, B2S, BS, L, X, DATE, BOOL, D, T, U, I, IPK, T658,
             case ASE:
             case DB2:
             case DERBY:
+            case FIREBIRD:
             case HSQLDB:
             case H2:
             case INGRES: