diff --git a/types/jasmine/index.d.ts b/types/jasmine/index.d.ts
index 3b54a709ba..4ebc04eada 100644
--- a/types/jasmine/index.d.ts
+++ b/types/jasmine/index.d.ts
@@ -137,8 +137,8 @@ declare namespace jasmine {
     function objectContaining<T>(sample: Partial<T>): ObjectContaining<T>;
     function createSpy(name: string, originalFn?: Function): Spy;
 
-    function createSpyObj(baseName: string, methodNames: any[]): any;
-    function createSpyObj<T>(baseName: string, methodNames: any[]): SpyObj<T>;
+    function createSpyObj(baseName: string, methodNames: any[] | {[methodName: string]: any}): any;
+    function createSpyObj<T>(baseName: string, methodNames: any[] | {[methodName: string]: any}): SpyObj<T>;
 
     function createSpyObj(baseName: string, methodNames: any): any;
     function createSpyObj(methodNames: any[]): any;