--- a/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDeltaWtGenerator.java	Tue Jun 05 19:10:38 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDeltaWtGenerator.java	Tue Jun 05 19:21:16 2018 +0200
@@ -106,24 +106,24 @@
 
 
     @Override
-    protected String getDefaultChartTitle() {
+    protected String getDefaultChartTitle(final CallContext context) {
         return msg(I18N_CHART_TITLE, I18N_CHART_TITLE);
     }
 
 
     @Override
-    protected String getChartTitle() {
+    protected String getChartTitle(final CallContext context) {
         return Resources.format(
                 context.getMeta(),
                 I18N_CHART_TITLE,
                 "",
                 FixChartGenerator
-                .getCurrentKmFromRequest(request).doubleValue());
+                .getCurrentKmFromRequest(getRequest()).doubleValue());
     }
 
 
     @Override
-    protected String getDefaultChartSubtitle() {
+    protected String getDefaultChartSubtitle(final CallContext context) {
         FixAnalysisAccess access = new FixAnalysisAccess(artifact);
         DateRange dateRange = access.getDateRange();
         DateRange refRange  = access.getReferencePeriod();
@@ -140,7 +140,7 @@
 
 
     @Override
-    protected String getDefaultXAxisLabel() {
+    protected String getDefaultXAxisLabel(final CallContext context) {
         return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL);
     }
 
@@ -171,6 +171,8 @@
 
         this.artifact = (D4EArtifact)artifactFacet.getArtifact();
 
+        final CallContext context = getContext();
+        
         if (name.contains(FIX_SECTOR_AVERAGE_DWT)) {
             doSectorAverageOut(
                     (D4EArtifact) artifactFacet.getArtifact(),
@@ -388,10 +390,10 @@
             return;
         }
 
-        Locale locale = Resources.getLocale(context.getMeta());
+        Locale locale = Resources.getLocale(getContext().getMeta());
         NumberFormat nf = NumberFormat.getInstance(locale);
 
-        List<XYTextAnnotation> textAnnos = new ArrayList<XYTextAnnotation>();
+        List<XYTextAnnotation> textAnnos = new ArrayList<>();
 
         for (int[] idxs: annoIdxMap.values()) {