diff --git a/GpxKit/DateFormatter+Extensions.swift b/GpxKit/DateFormatter+Extensions.swift
index 8b4c9cd..0864fee 100644
--- a/GpxKit/DateFormatter+Extensions.swift
+++ b/GpxKit/DateFormatter+Extensions.swift
@@ -11,7 +11,7 @@ extension DateFormatter {
         formatter.calendar = Calendar(identifier: .iso8601)
         formatter.locale = Locale(identifier: "en_US_POSIX")
         formatter.timeZone = TimeZone(secondsFromGMT: 0)
-        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss'Z'"
+        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
         return formatter
     }()
 }
diff --git a/GpxKitTests/Track.gpx b/GpxKitTests/Track.gpx
index d335b56..910e46e 100644
--- a/GpxKitTests/Track.gpx
+++ b/GpxKitTests/Track.gpx
@@ -4,19 +4,19 @@
         <trkseg>
             <trkpt lat="54.9328621088893" lon="9.86062421614008">
                 <ele>0.0</ele>
-                <time>2017-09-20T09:44:20Z</time>
+                <time>2017-09-20T09:44:20+0000</time>
             </trkpt>
             <trkpt lat="54.9329323732085" lon="9.86092208681491">
                 <ele>1.1</ele>
-                <time>2017-09-20T09:44:21Z</time>
+                <time>2017-09-20T09:44:21+0000</time>
             </trkpt>
             <trkpt lat="54.9332774352119" lon="9.86187816543752">
                 <ele>2.22</ele>
-                <time>2017-09-20T09:44:22Z</time>
+                <time>2017-09-20T09:44:22+0000</time>
             </trkpt>
             <trkpt lat="54.9334232616792" lon="9.86243984967986">
                 <ele>3.333</ele>
-                <time>2017-09-20T09:44:23Z</time>
+                <time>2017-09-20T09:44:23+0000</time>
             </trkpt>
         </trkseg>
     </trk>