diff --git a/src/ui/heat_map.js b/src/ui/heat_map.js
index f4b42ff7578e5a8dbf6e287eb8ccced468e4ba06..fb267dcb890f3c1eb947c5ee02143371d4c4b83d 100644
--- a/src/ui/heat_map.js
+++ b/src/ui/heat_map.js
@@ -409,7 +409,8 @@ morpheus.HeatMap = function(options) {
 
 					_this.options.dataset = joined;
 					_this._init();
-					if (joined.getRowMetadata().getByName('Source') != null) {
+					if (joined.getRowMetadata().getByName('Source') != null
+							&& !_this.options.colorScheme) {
 						_this.heatmap.getColorScheme()
 								.setSeparateColorSchemeForRowMetadataField(
 										'Source');