diff --git a/apps/gpstrek/ChangeLog b/apps/gpstrek/ChangeLog
index c36c23c72..849088c64 100644
--- a/apps/gpstrek/ChangeLog
+++ b/apps/gpstrek/ChangeLog
@@ -13,3 +13,4 @@
       Reconstruct battery voltage by using calibrated batFullVoltage
       Averaging for smoothing compass headings
       Save state if route or waypoint has been chosen
+0.09: Workaround a minifier issue allowing to install gpstrek with minification enabled
diff --git a/apps/gpstrek/app.js b/apps/gpstrek/app.js
index b3ec79fd2..1f46ae2b4 100644
--- a/apps/gpstrek/app.js
+++ b/apps/gpstrek/app.js
@@ -259,7 +259,8 @@ let getCompassSlice = function(compassDataSource){
 
 
       if (compassDataSource.getPoints){
-        for (let p of compassDataSource.getPoints()){
+        let points = compassDataSource.getPoints(); //storing this in a variable works around a minifier bug causing a problem in the next line: for(let a of a.getPoints())
+        for (let p of points){
           g.reset();
           var bpos = p.bearing - lastDrawnValue;
           if (bpos>180) bpos -=360;
@@ -285,7 +286,8 @@ let getCompassSlice = function(compassDataSource){
         }
       }
       if (compassDataSource.getMarkers){
-        for (let m of compassDataSource.getMarkers()){
+        let markers = compassDataSource.getMarkers(); //storing this in a variable works around a minifier bug causing a problem in the next line: for(let a of a.getMarkers())
+        for (let m of markers){
           g.reset();
           g.setColor(m.fillcolor);
           let mpos = m.xpos * width;
diff --git a/apps/gpstrek/metadata.json b/apps/gpstrek/metadata.json
index 3e27a3247..2e2e481af 100644
--- a/apps/gpstrek/metadata.json
+++ b/apps/gpstrek/metadata.json
@@ -1,7 +1,7 @@
 {
   "id": "gpstrek",
   "name": "GPS Trekking",
-  "version": "0.08",
+  "version": "0.09",
   "description": "Helper for tracking the status/progress during hiking. Do NOT depend on this for navigation!",
   "icon": "icon.png",
   "screenshots": [{"url":"screen1.png"},{"url":"screen2.png"},{"url":"screen3.png"},{"url":"screen4.png"}],