diff --git a/pic-sure-resources/pic-sure-visualization-resource/src/main/java/edu/harvard/hms/dbmi/avillach/resource/visualization/service/DataProcessingService.java b/pic-sure-resources/pic-sure-visualization-resource/src/main/java/edu/harvard/hms/dbmi/avillach/resource/visualization/service/DataProcessingService.java
index a6d9bc3d..d390dbba 100644
--- a/pic-sure-resources/pic-sure-visualization-resource/src/main/java/edu/harvard/hms/dbmi/avillach/resource/visualization/service/DataProcessingService.java
+++ b/pic-sure-resources/pic-sure-visualization-resource/src/main/java/edu/harvard/hms/dbmi/avillach/resource/visualization/service/DataProcessingService.java
@@ -95,7 +95,7 @@ public List<ContinuousData> getContinuousData(Map<String, Map<String, Integer>>
 //                binnedData = new LinkedHashMap<>(entry.getValue());
 //            }
 
-            LinkedHashMap<String, Integer> binnedData = new LinkedHashMap<>(entry.getValue());
+            LinkedHashMap<String, Integer> binnedData = new LinkedHashMap<>(entry.getValue()); // re-binning data should be safe.
 
             continuousDataList.add(new ContinuousData(
                     title,