diff --git a/pkg/sql/plan/build_dml_util.go b/pkg/sql/plan/build_dml_util.go
index 31ab4b053572..908a45f4214e 100644
--- a/pkg/sql/plan/build_dml_util.go
+++ b/pkg/sql/plan/build_dml_util.go
@@ -526,7 +526,7 @@ func buildDeletePlans(ctx CompilerContext, builder *QueryBuilder, bindCtx *BindC
 					}
 
 					for idx, col := range childTableDef.Cols {
-						if col.Name != catalog.Row_ID {
+						if col.Name != catalog.Row_ID && col.Name != catalog.CPrimaryKeyColName {
 							if pos, ok := updateChildColPosMap[col.Name]; ok {
 								insertColPos = append(insertColPos, pos)
 							} else {