diff --git a/src/mappings/coloring.js b/src/mappings/coloring.js
index 693a302..26bdbcc 100644
--- a/src/mappings/coloring.js
+++ b/src/mappings/coloring.js
@@ -36,7 +36,7 @@ export function mapRgba({ element, color, lowerBin, visUpdateRouter, interpolato
     upperVal = Math.min(Math.max(0, upperVal), 255);
     lowerVal = Math.min(Math.max(0, lowerVal), upperVal);
     const conf = {
-        minVal: lowerBin,
+        minVal: lowerVal,
         maxVal: upperVal,
         bin: lowerBin,
         getter: getter,