diff --git a/jOOQ/src/main/java/org/jooq/impl/InsertQueryImpl.java b/jOOQ/src/main/java/org/jooq/impl/InsertQueryImpl.java
index e6e8bcead4..8f0f90e2ec 100644
--- a/jOOQ/src/main/java/org/jooq/impl/InsertQueryImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/InsertQueryImpl.java
@@ -1391,7 +1391,10 @@ implements
         if ($updateSet() == newUpdateSet)
             return this;
         else
-            return copy(i -> i.addValuesForUpdate(newUpdateSet));
+            return copy(i -> {
+                i.updateMap.clear();
+                i.updateMap.putAll(newUpdateSet);
+            });
     }
 
     @Override