diff --git a/src/main/java/de/dennisguse/opentracks/chart/ChartValueSeries.java b/src/main/java/de/dennisguse/opentracks/chart/ChartValueSeries.java
index c65b83ae2..ad8583278 100644
--- a/src/main/java/de/dennisguse/opentracks/chart/ChartValueSeries.java
+++ b/src/main/java/de/dennisguse/opentracks/chart/ChartValueSeries.java
@@ -47,9 +47,9 @@ abstract class ChartValueSeries {
     private final Paint strokePaint;
     private final Paint titlePaint;
     private final Paint markerPaint;
-    private final ExtremityMonitor extremityMonitor;
-    private final NumberFormat numberFormat;
-    private final Path path;
+    private final ExtremityMonitor extremityMonitor = new ExtremityMonitor();
+    private final NumberFormat numberFormat = NumberFormat.getIntegerInstance();
+    private final Path path = new Path();
 
     private int interval = 1;
     private int minMarkerValue = 0;
@@ -98,10 +98,6 @@ abstract class ChartValueSeries {
 
         // Set stroke paint thickness
         strokePaint.setStrokeWidth(STROKE_WIDTH);
-
-        extremityMonitor = new ExtremityMonitor();
-        numberFormat = NumberFormat.getIntegerInstance();
-        path = new Path();
     }
 
     /**
diff --git a/src/main/res/values/colors.xml b/src/main/res/values/colors.xml
index c32fafbcc..cb624d780 100644
--- a/src/main/res/values/colors.xml
+++ b/src/main/res/values/colors.xml
@@ -26,6 +26,7 @@ limitations under the License.
     <color name="chart_power_fill">#40401465</color> <!-- transparent purple -->
     <color name="chart_speed_border">#FF0066FF</color> <!-- blue -->
     <color name="chart_speed_fill">#40C8E0FF</color> <!-- transparent blue -->
+
     <color name="holo_orange_dark">#FFFF8800</color>
 
     <color name="recording_text">#FFBE161B</color> <!-- red -->