diff --git a/types/noble/index.d.ts b/types/noble/index.d.ts
index 474338d383..ee4fbf1654 100644
--- a/types/noble/index.d.ts
+++ b/types/noble/index.d.ts
@@ -6,6 +6,7 @@
 //                 Luke Libraro <https://github.com/lukel99>
 //                 Dan Chao <https://github.com/bioball>
 //                 Michal Lower <https://github.com/keton>
+//                 Rob Moran <https://github.com/thegecko>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node" />
@@ -63,7 +64,10 @@ export declare class Peripheral extends events.EventEmitter {
 
 export interface Advertisement {
     localName: string;
-    serviceData: Buffer;
+    serviceData: {
+        uuid: string,
+        data: Buffer
+    };
     txPowerLevel: number;
     manufacturerData: Buffer;
     serviceUuids: string[];
diff --git a/types/noble/noble-tests.ts b/types/noble/noble-tests.ts
index 65e13f4d43..5e00105433 100644
--- a/types/noble/noble-tests.ts
+++ b/types/noble/noble-tests.ts
@@ -39,7 +39,10 @@ var peripheral: noble.Peripheral = new noble.Peripheral();
 peripheral.uuid = "12ad4e81";
 peripheral.advertisement = {
     localName:        "device",
-    serviceData:      new Buffer(1),
+    serviceData:      {
+        uuid: "180a",
+        data: new Buffer(1)
+    },
     txPowerLevel:     1,
     manufacturerData: new Buffer(1),
     serviceUuids:     ["0x180a", "0x180d"]