diff --git a/query/graphql/planner/update.go b/query/graphql/planner/update.go
index 8ed408193a..c20086e16b 100644
--- a/query/graphql/planner/update.go
+++ b/query/graphql/planner/update.go
@@ -138,7 +138,7 @@ func (n *updateNode) Close() error {
 	return n.results.Close()
 }
 
-func (n *updateNode) Source() planNode { return nil }
+func (n *updateNode) Source() planNode { return n.results }
 
 // Explain method returns a map containing all attributes of this node that
 // are to be explained, subscribes / opts-in this node to be an explainablePlanNode.
diff --git a/tests/integration/mutation/simple/update/explain_simple_update_test.go b/tests/integration/mutation/simple/update/explain_simple_update_test.go
index c2e647e9e5..4022a5802e 100644
--- a/tests/integration/mutation/simple/update/explain_simple_update_test.go
+++ b/tests/integration/mutation/simple/update/explain_simple_update_test.go
@@ -69,6 +69,19 @@ func TestExplainSimpleMutationUpdateWithBooleanFilter(t *testing.T) {
 								},
 							},
 							"ids": []string(nil),
+							"selectTopNode": dataMap{
+								"renderNode": dataMap{
+									"selectNode": dataMap{
+										"filter": nil,
+										"scanNode": dataMap{
+											"collectionID":   "1",
+											"collectionName": "user",
+											"filter":         nil,
+											"spans":          []dataMap{},
+										},
+									},
+								},
+							},
 						},
 					},
 				},
@@ -128,6 +141,19 @@ func TestExplainSimpleMutationUpdateWithIdInFilter(t *testing.T) {
 							"bae-0a24cf29-b2c2-5861-9d00-abd6250c475d",
 							"bae-958c9334-73cf-5695-bf06-cf06826babfa",
 						},
+						"selectTopNode": dataMap{
+							"renderNode": dataMap{
+								"selectNode": dataMap{
+									"filter": nil,
+									"scanNode": dataMap{
+										"collectionID":   "1",
+										"collectionName": "user",
+										"filter":         nil,
+										"spans":          []dataMap{},
+									},
+								},
+							},
+						},
 					},
 				},
 			},
@@ -180,6 +206,19 @@ func TestExplainSimpleMutationUpdateWithIdEqualsFilter(t *testing.T) {
 						"ids": []string{
 							"bae-0a24cf29-b2c2-5861-9d00-abd6250c475d",
 						},
+						"selectTopNode": dataMap{
+							"renderNode": dataMap{
+								"selectNode": dataMap{
+									"filter": nil,
+									"scanNode": dataMap{
+										"collectionID":   "1",
+										"collectionName": "user",
+										"filter":         nil,
+										"spans":          []dataMap{},
+									},
+								},
+							},
+						},
 					},
 				},
 			},