--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/fixation/FixationPanel.java	Thu Jan 18 20:54:03 2018 +0100
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/fixation/FixationPanel.java	Fri Jan 19 20:30:47 2018 +0100
@@ -9,6 +9,7 @@
 package org.dive4elements.river.client.client.ui.fixation;
 
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.http.client.URL;
 import com.google.gwt.i18n.client.DateTimeFormat;
 import com.google.gwt.i18n.client.NumberFormat;
 import com.google.gwt.json.client.JSONNumber;
@@ -40,7 +41,6 @@
 import org.dive4elements.river.client.client.services.FixingsOverviewService;
 import org.dive4elements.river.client.client.services.FixingsOverviewServiceAsync;
 import org.dive4elements.river.client.client.ui.AbstractUIProvider;
-import org.dive4elements.river.client.shared.MapUtils;
 import org.dive4elements.river.client.shared.model.Data;
 import org.dive4elements.river.client.shared.model.DataList;
 import org.dive4elements.river.client.shared.model.FixAnalysisArtifact;
@@ -157,7 +157,7 @@
         overviewService.generateOverview(
             locale,
             artifact.getUuid(),
-            MapUtils.toJavaEncodedString(getOverviewFilter(art.getFilter())),
+            getOverviewFilter(art.getFilter()),
             renderCheckboxes(),
             callBack,
             new AsyncCallback<FixingsOverviewInfo>() {
@@ -297,10 +297,10 @@
             hHeight = (int)(hWidth *3f/4);
         }
 
-        String imgUrl = GWT.getModuleBaseURL();
-        imgUrl += "fixings-km-chart";
-        imgUrl += "?locale=" + locale;
-        imgUrl += "&filter=" + getChartFilter(filter, hWidth, hHeight);
+        String imgUrl = URL.encode(GWT.getModuleBaseURL()
+            + "fixings-km-chart"
+            + "?locale=" + locale
+            + "&filter=" + getChartFilter(filter, hWidth, hHeight));
 
         if (chartContainer.hasMember(chartImg)) {
             chartImg.setWidth(hWidth);