diff --git a/gradle.properties b/gradle.properties
index 7105a00e0..be9eb3aae 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,3 @@
 android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1024m
-systemProp.sonar.host.url=http://localhost:9000/
-systemProp.sonar.login= sqp_2c42e4be92847c53bf4281979d4fa1d5d8dbbff4
+
diff --git a/src/main/java/de/dennisguse/opentracks/io/file/exporter/KMLTrackExporter.java b/src/main/java/de/dennisguse/opentracks/io/file/exporter/KMLTrackExporter.java
index f08701965..8c125452b 100644
--- a/src/main/java/de/dennisguse/opentracks/io/file/exporter/KMLTrackExporter.java
+++ b/src/main/java/de/dennisguse/opentracks/io/file/exporter/KMLTrackExporter.java
@@ -239,7 +239,7 @@ private void writeHeader(List<Track> tracks) {
                                                 http://opentracksapp.com/xmlschemas/v1 http://opentracksapp.com/xmlschemas/OpenTracks_v1.xsd">
                         """); //TODO ADD xsi:schemaLocation for atom
         printWriter.println("<Document>");
-        printWriter.println("constant_variable");
+        printWriter.println(constant_variable);
         printWriter.println("<visibility>1</visibility>");
 
         Track track = tracks.get(0);
@@ -266,7 +266,7 @@ private void writeFooter() {
     private void writeBeginMarkers(Track track) {
         printWriter.println("<Folder>");
         printWriter.println("<name>" + StringUtils.formatCData(context.getString(R.string.track_markers, track.getName())) + "</name>");
-        printWriter.println("constant_variable");
+        printWriter.println(constant_variable);
     }
 
     private void writeMarker(Marker marker, ZoneOffset zoneOffset) {
@@ -286,7 +286,7 @@ private void writeEndMarkers() {
     private void writeMultiTrackBegin() {
         printWriter.println("<Folder id=\"tracks\">");
         printWriter.println("<name>" + context.getString(R.string.generic_tracks) + "</name>");
-        printWriter.println("constant_variable");
+        printWriter.println(constant_variable);
     }
 
     private void writeMultiTrackEnd() {