diff --git a/tests/baselines/reference/objectSpreadScenarios.js b/tests/baselines/reference/objectSpreadScenarios.js
index ae0e2f6c425..64739a2b298 100644
--- a/tests/baselines/reference/objectSpreadScenarios.js
+++ b/tests/baselines/reference/objectSpreadScenarios.js
@@ -1,7 +1,7 @@
 //// [objectSpreadScenarios.ts]
 interface A1 { a: boolean }
 interface B1 { b: number };
-function override<U>(initial: U, override: U): U {
+function override<U>(initial: U, override: U): { ...U, ...U } {
     return { ...initial, ...override };
 }
 function update<U>(this: { u: U }, override: U): void {
diff --git a/tests/baselines/reference/objectSpreadScenarios.symbols b/tests/baselines/reference/objectSpreadScenarios.symbols
index c8c18ca1e2f..784e340a10c 100644
--- a/tests/baselines/reference/objectSpreadScenarios.symbols
+++ b/tests/baselines/reference/objectSpreadScenarios.symbols
@@ -7,13 +7,14 @@ interface B1 { b: number };
 >B1 : Symbol(B1, Decl(objectSpreadScenarios.ts, 0, 27))
 >b : Symbol(B1.b, Decl(objectSpreadScenarios.ts, 1, 14))
 
-function override<U>(initial: U, override: U): U {
+function override<U>(initial: U, override: U): { ...U, ...U } {
 >override : Symbol(override, Decl(objectSpreadScenarios.ts, 1, 27))
 >U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
 >initial : Symbol(initial, Decl(objectSpreadScenarios.ts, 2, 21))
 >U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
 >override : Symbol(override, Decl(objectSpreadScenarios.ts, 2, 32))
 >U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
+>U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
 >U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
 
     return { ...initial, ...override };
diff --git a/tests/baselines/reference/objectSpreadScenarios.types b/tests/baselines/reference/objectSpreadScenarios.types
index eebe08a2aaf..5330029afe1 100644
--- a/tests/baselines/reference/objectSpreadScenarios.types
+++ b/tests/baselines/reference/objectSpreadScenarios.types
@@ -7,13 +7,14 @@ interface B1 { b: number };
 >B1 : B1
 >b : number
 
-function override<U>(initial: U, override: U): U {
->override : <U>(initial: U, override: U) => U
+function override<U>(initial: U, override: U): { ...U, ...U } {
+>override : <U>(initial: U, override: U) => { ...U; ...U }
 >U : U
 >initial : U
 >U : U
 >override : U
 >U : U
+>U : U
 >U : U
 
     return { ...initial, ...override };
@@ -72,10 +73,10 @@ let b1: B1 = { b: 101 };
 >101 : 101
 
 a1 = override(a1, { a: false });
->a1 = override(a1, { a: false }) : A1
+>a1 = override(a1, { a: false }) : { ...A1; ...A1 }
 >a1 : A1
->override(a1, { a: false }) : A1
->override : <U>(initial: U, override: U) => U
+>override(a1, { a: false }) : { ...A1; ...A1 }
+>override : <U>(initial: U, override: U) => { ...U; ...U }
 >a1 : A1
 >{ a: false } : { a: false; }
 >a : boolean
diff --git a/tests/cases/conformance/types/spread/objectSpreadScenarios.ts b/tests/cases/conformance/types/spread/objectSpreadScenarios.ts
index 2f944ddb796..c80cffa44e7 100644
--- a/tests/cases/conformance/types/spread/objectSpreadScenarios.ts
+++ b/tests/cases/conformance/types/spread/objectSpreadScenarios.ts
@@ -1,6 +1,6 @@
 interface A1 { a: boolean }
 interface B1 { b: number };
-function override<U>(initial: U, override: U): U {
+function override<U>(initial: U, override: U): { ...U, ...U } {
     return { ...initial, ...override };
 }
 function update<U>(this: { u: U }, override: U): void {