diff --git a/Tasks/ArchiveFiles/archivefiles.ts b/Tasks/ArchiveFiles/archivefiles.ts
index 30da7ad8ee3f..3e74234dac14 100644
--- a/Tasks/ArchiveFiles/archivefiles.ts
+++ b/Tasks/ArchiveFiles/archivefiles.ts
@@ -66,7 +66,7 @@ function getOptions() {
         return { cwd: dirName };
     } else {
         var stats: tl.FsStats = tl.stats(rootFolder);
-        if (stats.isFile) {
+        if (stats.isFile()) {
             dirName = path.dirname(rootFolder);
         } else {
             dirName = rootFolder;
@@ -269,7 +269,7 @@ function doWork() {
             if (replaceExistingArchive) {
                 try {
                     var stats: tl.FsStats = tl.stats(archiveFile);
-                    if (stats.isFile) {
+                    if (stats.isFile()) {
                         console.log('removing existing archive file before creation: ' + archiveFile);
                     } else {
                         failTask('Specified archive file: ' + archiveFile + ' already exists and is not a file.');
diff --git a/Tasks/ArchiveFiles/task.json b/Tasks/ArchiveFiles/task.json
index 89a17671ca45..553536214271 100644
--- a/Tasks/ArchiveFiles/task.json
+++ b/Tasks/ArchiveFiles/task.json
@@ -14,7 +14,7 @@
     "version": {
         "Major": 1,
         "Minor": 0,
-        "Patch": 5
+        "Patch": 6
     },
     "groups": [
         {
diff --git a/Tasks/ArchiveFiles/task.loc.json b/Tasks/ArchiveFiles/task.loc.json
index 4d038c4f3aeb..a0c26f28132c 100644
--- a/Tasks/ArchiveFiles/task.loc.json
+++ b/Tasks/ArchiveFiles/task.loc.json
@@ -14,7 +14,7 @@
   "version": {
     "Major": 1,
     "Minor": 0,
-    "Patch": 5
+    "Patch": 6
   },
   "groups": [
     {