diff --git a/app/build.gradle b/app/build.gradle
index 2e9cb45..83a2ace 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -30,7 +30,7 @@ allprojects {
 
 android {
     compileSdkVersion 28
-    buildToolsVersion "29.0.1"
+    buildToolsVersion "29.0.2"
     defaultConfig {
         applicationId "de.tadris.fitness"
         minSdkVersion 21
diff --git a/app/src/main/java/de/tadris/fitness/activity/RecordWorkoutActivity.java b/app/src/main/java/de/tadris/fitness/activity/RecordWorkoutActivity.java
index 1a8f617..4314f15 100644
--- a/app/src/main/java/de/tadris/fitness/activity/RecordWorkoutActivity.java
+++ b/app/src/main/java/de/tadris/fitness/activity/RecordWorkoutActivity.java
@@ -306,7 +306,7 @@ public class RecordWorkoutActivity extends FitoTrackActivity implements Location
 
     @Override
     public void onGPSStateChanged(WorkoutRecorder.GpsState oldState, WorkoutRecorder.GpsState state) {
-        gpsStatusView.setTextColor(state.color);
+        mHandler.post(() -> gpsStatusView.setTextColor(state.color));
     }
 
     public static class InfoViewHolder{