diff --git a/package-lock.json b/package-lock.json
index 9fe955b4..0f7d9863 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "microsoft-cognitiveservices-speech-sdk",
-  "version": "1.15.0-alpha.0.1",
+  "version": "1.18.1-alpha.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2074,32 +2074,11 @@
       },
       "dependencies": {
         "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
           "requires": {
-            "ms": "^2.1.1"
-          }
-        },
-        "glob": {
-          "version": "7.1.6",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
-          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
-          "requires": {
-            "fs.realpath": "^1.0.0",
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.4",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
-          }
-        },
-        "rimraf": {
-          "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
-          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
-          "requires": {
-            "glob": "^7.1.3"
+            "ms": "2.1.2"
           }
         }
       }
@@ -6017,9 +5996,9 @@
           }
         },
         "fsevents": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.2.1.tgz",
-          "integrity": "sha512-bTLYHSeC0UH/EFXS9KqWnXuOl/wHK5Z/d+ghd5AsFMYN7wIGkUCOJyzy88+wJKkZPGON8u4Z9f6U4FdgURE9qA==",
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+          "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
           "dev": true,
           "optional": true
         },
@@ -8092,9 +8071,9 @@
       "dev": true
     },
     "nan": {
-      "version": "2.14.1",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
-      "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
+      "version": "2.14.2",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.2.tgz",
+      "integrity": "sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==",
       "dev": true,
       "optional": true
     },
@@ -9303,7 +9282,6 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
       "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
-      "dev": true,
       "requires": {
         "glob": "^7.1.3"
       },
@@ -9312,7 +9290,6 @@
           "version": "7.1.6",
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
           "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
-          "dev": true,
           "requires": {
             "fs.realpath": "^1.0.0",
             "inflight": "^1.0.4",
@@ -10698,9 +10675,9 @@
       "dev": true
     },
     "username-sync": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/username-sync/-/username-sync-1.0.2.tgz",
-      "integrity": "sha512-ayNkOJdoNSGNDBE46Nkc+l6IXmeugbzahZLSMkwvgRWv5y5ZqNY2IrzcgmkR4z32sj1W3tM3TuTUMqkqBzO+RA=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/username-sync/-/username-sync-1.0.3.tgz",
+      "integrity": "sha512-m/7/FSqjJNAzF2La448c/aEom0gJy7HY7Y509h6l0ePvEkFictAGptwWaj1msWJ38JbfEDOUoE8kqFee9EHKdA=="
     },
     "util": {
       "version": "0.11.1",
diff --git a/package.json b/package.json
index ddf3ad53..187b58d6 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "microsoft-cognitiveservices-speech-sdk",
   "author": "Microsoft Corporation",
   "homepage": "https://docs.microsoft.com/azure/cognitive-services/speech-service/",
-  "version": "1.15.0-alpha.0.1",
+  "version": "1.18.1-alpha.0.1",
   "license": "MIT",
   "description": "Microsoft Cognitive Services Speech SDK for JavaScript",
   "keywords": [
diff --git a/src/common.speech/ServiceMessages/DetailedSpeechPhrase.ts b/src/common.speech/ServiceMessages/DetailedSpeechPhrase.ts
index 72401950..86d16827 100644
--- a/src/common.speech/ServiceMessages/DetailedSpeechPhrase.ts
+++ b/src/common.speech/ServiceMessages/DetailedSpeechPhrase.ts
@@ -40,7 +40,7 @@ export class DetailedSpeechPhrase implements IDetailedSpeechPhrase {
     }
 
     public getJsonWithCorrectedOffsets(baseOffset: number): string {
-        if (!!this.privDetailedSpeechPhrase.NBest[0].Words) {
+        if (!!this.privDetailedSpeechPhrase.NBest && !!this.privDetailedSpeechPhrase.NBest[0].Words) {
             const firstWordOffset: number = this.privDetailedSpeechPhrase.NBest[0].Words[0].Offset;
             if (firstWordOffset && firstWordOffset < baseOffset) {
                 const offset: number = baseOffset - firstWordOffset;
diff --git a/tests/SpeechRecognizerTests.ts b/tests/SpeechRecognizerTests.ts
index 4fae4f8c..2a1d3e19 100644
--- a/tests/SpeechRecognizerTests.ts
+++ b/tests/SpeechRecognizerTests.ts
@@ -1020,6 +1020,32 @@ describe.each([true])("Service based tests", (forceNodeWebSocket: boolean) => {
             });
     });
 
+    test("Detailed output continuous recognition stops correctly", (done: jest.DoneCallback) => {
+        // tslint:disable-next-line:no-console
+        console.info("Detailed output continuous recognition stops correctly");
+        const s: sdk.SpeechConfig = BuildSpeechConfig();
+        objsToClose.push(s);
+        s.speechRecognitionLanguage = "en-US";
+        s.outputFormat = sdk.OutputFormat.Detailed;
+
+        const config: sdk.AudioConfig = WaveFileAudioInput.getAudioConfigFromFile(Settings.LongerWaveFile);
+
+        const r: sdk.SpeechRecognizer = new sdk.SpeechRecognizer(s, config);
+        objsToClose.push(r);
+        expect(r).not.toBeUndefined();
+        expect(r instanceof sdk.Recognizer);
+
+        r.sessionStopped = (s: sdk.Recognizer, e: sdk.SessionEventArgs): void => {
+            done();
+        };
+
+        r.recognizing = (s: sdk.Recognizer, e: sdk.SpeechRecognitionEventArgs): void => {
+            r.stopContinuousRecognitionAsync();
+        };
+
+        r.startContinuousRecognitionAsync();
+    }, 15000);
+
     test("PushStream start-stop-start continuous recognition on PushStream", (done: jest.DoneCallback) => {
         // tslint:disable-next-line:no-console
         console.info("Name: PushStream start-stop-start continuous recognition on PushStream");
@@ -1498,7 +1524,7 @@ describe.each([true])("Service based tests", (forceNodeWebSocket: boolean) => {
 
     test("RecognizeOnceAsync is async", (done: jest.DoneCallback) => {
         // tslint:disable-next-line:no-console
-        console.info("Name: ecognizeOnceAsync is async");
+        console.info("Name: RecognizeOnceAsync is async");
         const s: sdk.SpeechConfig = BuildSpeechConfig();
         objsToClose.push(s);