diff --git a/jOOQ/src/main/java/org/jooq/impl/Excluded.java b/jOOQ/src/main/java/org/jooq/impl/Excluded.java
index de05a7660e..c8b51a2ed6 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Excluded.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Excluded.java
@@ -121,11 +121,15 @@ implements
             default:
                 // [#7552] When emulating INSERT .. ON DUPLICATE KEY UPDATE using
                 //         MERGE, the EXCLUDED pseudo table is called "t", instead
-                ctx.visit(ctx.data(ExtendedDataKey.DATA_INSERT_ON_DUPLICATE_KEY_UPDATE) != null
-                        ? name("t")
-                        : N_EXCLUDED)
-                   .sql('.')
-                   .qualify(false, c -> c.visit(field));
+                // [#18202] Don't render the EXCLUDED name here in case it needs to be enclosed
+                //          in parentheses, e.g. in a UDTPathField
+                Table<?> t = (Table<?>) ctx.data(SimpleDataKey.DATA_DML_TARGET_TABLE);
+                ctx.scopeRegister(t, false,
+                    ctx.data(ExtendedDataKey.DATA_INSERT_ON_DUPLICATE_KEY_UPDATE) != null
+                        ? table(name("t"))
+                        : table(N_EXCLUDED))
+                   .visit(field)
+                   .scopeRegister(t, false, null);
                 break;
         }
     }