diff --git a/src/components/field-analyzers/FieldGraphs.jsx b/src/components/field-analyzers/FieldGraphs.jsx
index 3c0160abe..01b13d85e 100644
--- a/src/components/field-analyzers/FieldGraphs.jsx
+++ b/src/components/field-analyzers/FieldGraphs.jsx
@@ -34,6 +34,9 @@ const FieldGraphs = React.createClass({
       }
     };
   },
+  componentWillUnmount() {
+    FieldGraphsStore.resetStore();
+  },
   addFieldGraph(field) {
     const streamId = this.props.searchInStream ? this.props.searchInStream.id : undefined;
     FieldGraphsStore.newFieldGraph(field, {interval: this.props.resolution, streamid: streamId});
diff --git a/src/legacy/analyzers/fieldcharts.js b/src/legacy/analyzers/fieldcharts.js
index e088f82b4..3d71d7a58 100644
--- a/src/legacy/analyzers/fieldcharts.js
+++ b/src/legacy/analyzers/fieldcharts.js
@@ -34,7 +34,11 @@ export function generateId() {
 export const FieldChart = {
     fieldGraphs: {},
     GRAPH_HEIGHT: 120,
-    PALETTE: new Rickshaw.Color.Palette({scheme: 'colorwheel'}),
+    palette: new Rickshaw.Color.Palette({scheme: 'colorwheel'}),
+
+    reload() {
+        this.palette = new Rickshaw.Color.Palette({scheme: 'colorwheel'});
+    },
 
     _getDefaultOptions(opts) {
         var searchParams = {};
@@ -398,12 +402,9 @@ export const FieldChart = {
         var draggedChart = this.fieldGraphs[draggedId];
 
         var targetElem = $('.field-graph-container[data-chart-id="' + targetId + '"]');
-        var draggedElem = $('.field-graph-container[data-chart-id="' + draggedId + '"]');
-
-        var draggedOpts = JSON.parse(draggedElem.attr("data-lines"));
 
         for (var i = 0; i < draggedChart.series.length; i++) {
-            var lineColor = this.PALETTE.color();
+            var lineColor = this.palette.color();
             var series = draggedChart.series[i];
             var query = series.gl2_query;
 
diff --git a/src/stores/field-analyzers/FieldGraphsStore.ts b/src/stores/field-analyzers/FieldGraphsStore.ts
index 00ccc0444..1bb22187d 100644
--- a/src/stores/field-analyzers/FieldGraphsStore.ts
+++ b/src/stores/field-analyzers/FieldGraphsStore.ts
@@ -62,12 +62,7 @@ class FieldGraphsStore {
     onFieldGraphsMerged: (targetGraphId: Object)=>void;
 
     constructor() {
-        this.renderedGraphs = Immutable.Set<string>();
-        this._fieldGraphs = Immutable.Map<string, Object>(Store.get("pinned-field-charts"));
-        this._stackedGraphs = Immutable.fromJS(Store.get("stacked-graphs") || {}, (key, value) => {
-            var isIndexed = Immutable.Iterable.isIndexed(value);
-            return isIndexed ? value.toSet() : value.toMap();
-        });
+        this.resetStore();
 
         $(document).on('created.graylog.fieldgraph', (event, data) => {
             this.saveGraph(data.graphOptions['chartid'], data.graphOptions);
@@ -92,6 +87,16 @@ class FieldGraphsStore {
         });
     }
 
+    resetStore() {
+        this.renderedGraphs = Immutable.Set<string>();
+        this._fieldGraphs = Immutable.Map<string, Object>(Store.get("pinned-field-charts"));
+        this._stackedGraphs = Immutable.fromJS(Store.get("stacked-graphs") || {}, (key, value) => {
+            var isIndexed = Immutable.Iterable.isIndexed(value);
+            return isIndexed ? value.toSet() : value.toMap();
+        });
+        FieldChart.reload();
+    }
+
     get fieldGraphs(): Immutable.Map<string, Object> {
         return this._fieldGraphs;
     }