diff --git a/src/ui/public/vislib/__tests__/visualizations/column_chart.js b/src/ui/public/vislib/__tests__/visualizations/column_chart.js
index 99de6f758314d..b685bcddc0cbe 100644
--- a/src/ui/public/vislib/__tests__/visualizations/column_chart.js
+++ b/src/ui/public/vislib/__tests__/visualizations/column_chart.js
@@ -69,8 +69,16 @@ dataTypesArray.forEach(function (dataType, i) {
         });
       });
 
-      it('should stack values', function () {
-        expect(isStacked).to.be(true);
+      it('should stack values when mode is stacked', function () {
+        if (mode === 'stacked') {
+          expect(isStacked).to.be(true);
+        }
+      });
+
+      it('should stack values when mode is percentage', function () {
+        if (mode === 'percentage') {
+          expect(isStacked).to.be(true);
+        }
       });
     });
 
diff --git a/src/ui/public/vislib/lib/axis/axis_config.js b/src/ui/public/vislib/lib/axis/axis_config.js
index c85f13db2fbb0..2fe7bb57fa7c3 100644
--- a/src/ui/public/vislib/lib/axis/axis_config.js
+++ b/src/ui/public/vislib/lib/axis/axis_config.js
@@ -138,6 +138,7 @@ export default function AxisConfigFactory() {
           break;
         case SCALE_MODES.GROUPED:
           offset = 'group';
+          stacked = false;
           break;
         case SCALE_MODES.PERCENTAGE:
           offset = 'expand';