diff --git a/types/angular-modal/angular-modal-tests.ts b/types/angular-modal/angular-modal-tests.ts
index edb4d7e6ef..5d2b5557ea 100644
--- a/types/angular-modal/angular-modal-tests.ts
+++ b/types/angular-modal/angular-modal-tests.ts
@@ -94,6 +94,10 @@ function callingValues() {
         template: '<div></div>'
     });
     modal.activate().then(() => {}, () => {});
+    // activating with random locals
+    modal.activate({name: 'TestName'}).then(() => {}, () => {});
+    // activating with genericly typed locals
+    modal.activate<{name: string}>({name: 'TestName'}).then(() => {}, () => {});
     modal.deactivate().then(() => {}, () => {});
     var isActive: boolean = modal.active();
 }
diff --git a/types/angular-modal/index.d.ts b/types/angular-modal/index.d.ts
index 40106e955e..823f47233a 100644
--- a/types/angular-modal/index.d.ts
+++ b/types/angular-modal/index.d.ts
@@ -28,7 +28,8 @@ declare namespace angularModal {
     }
 
     export interface AngularModal {
-        activate(): angular.IPromise<void>;
+        activate(locals?: {}): angular.IPromise<void>;
+        activate<T>(locals: T): angular.IPromise<void>;
         deactivate(): angular.IPromise<void>;
         active(): boolean;
     }