ETA date not working on Safari

couchpotato/core/media/movie/_base/static/movie.js

@@ -267,7 +267,7 @@ var Movie = new Class({
 				eta_date = null;
 			}
 			else {
-				eta_date = eta_date.toLocaleString('en-us', { month: "short" }) + (d.getFullYear() != eta_date.getFullYear() ? ' ' + eta_date.getFullYear() : '');
+				eta_date = eta_date.format('%b') + (d.getFullYear() != eta_date.getFullYear() ? ' ' + eta_date.getFullYear() : '');
 			}
 		}
 

couchpotato/static/scripts/combined.plugins.min.js

@@ -1957,9 +1957,7 @@ var Movie = new Class({
             if (+eta_date / 1e3 < now) {
                 eta_date = null;
             } else {
-                eta_date = eta_date.toLocaleString("en-us", {
-                    month: "short"
-                }) + (d.getFullYear() != eta_date.getFullYear() ? " " + eta_date.getFullYear() : "");
+                eta_date = eta_date.format("%b") + (d.getFullYear() != eta_date.getFullYear() ? " " + eta_date.getFullYear() : "");
             }
         }
         var rating, stars;