diff --git a/lib/parser/parse-cue.js b/lib/parser/parse-cue.js
index 53b828a..bb612a7 100644
--- a/lib/parser/parse-cue.js
+++ b/lib/parser/parse-cue.js
@@ -67,6 +67,8 @@ function parseCue(input, cue, regionList) {
     cue.vertical = settings.get("vertical", "");
     try {
       cue.line = settings.get("line", "auto");
+      /** Set -1 as default value to contemplate scenarios where the Web Engine does not support the string auto and converts it to 0 */
+      if (settings.get("line") === undefined && cue.line != "auto") { cue.line = settings.get("line", -1) };
     } catch (e) {
       // eslint-ignore-line
     }
@@ -81,6 +83,8 @@ function parseCue(input, cue, regionList) {
     }
     try {
       cue.position = settings.get("position", "auto");
+      /** Set -1 as default value to contemplate scenarios where the Web Engine does not support the string auto and converts it to 0 */
+      if (settings.get("position") === undefined && cue.line != "auto") { cue.position = settings.get("position", -1) };
     } catch (e) {
       cue.position = settings.get("position", {
         start: 0,
diff --git a/package-lock.json b/package-lock.json
index b22e0f7..da8e935 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "videojs-vtt.js",
-  "version": "0.15.2",
+  "version": "0.15.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f91f0bd..21b0e81 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   ],
   "name": "videojs-vtt.js",
   "description": "A JavaScript implementation of the WebVTT specification, forked from vtt.js for use with Video.js",
-  "version": "0.15.2",
+  "version": "0.15.4",
   "main": "lib/browser-index.js",
   "repository": {
     "type": "git",