diff --git a/src/traces/sunburst/plot.js b/src/traces/sunburst/plot.js
index c0f31cd05c5..29ca35091b4 100644
--- a/src/traces/sunburst/plot.js
+++ b/src/traces/sunburst/plot.js
@@ -526,7 +526,7 @@ exports.formatSliceLabel = function(pt, entry, trace, cd, fullLayout) {
                     thisText.push(tx);
                 };
 
-                if(hasFlag('percent parent')) {
+                if(hasFlag('percent parent') && !isRoot) {
                     percent = val / helpers.getValue(parent);
                     addPercent('parent');
                 }
@@ -560,11 +560,13 @@ exports.formatSliceLabel = function(pt, entry, trace, cd, fullLayout) {
 
     obj.currentPath = helpers.getPath(pt.data);
 
-    obj.percentParent = val / helpers.getValue(parent);
-    obj.percentParentLabel = helpers.formatPercent(
-        obj.percentParent, separators
-    );
-    obj.parent = helpers.isHierarchyRoot(pt) ? '' : helpers.getPtLabel(parent);
+    if(!isRoot) {
+        obj.percentParent = val / helpers.getValue(parent);
+        obj.percentParentLabel = helpers.formatPercent(
+            obj.percentParent, separators
+        );
+        obj.parent = helpers.getPtLabel(parent);
+    }
 
     obj.percentEntry = val / helpers.getValue(entry);
     obj.percentEntryLabel = helpers.formatPercent(
diff --git a/test/jasmine/tests/sunburst_test.js b/test/jasmine/tests/sunburst_test.js
index ff90ea65326..ed3524e6719 100644
--- a/test/jasmine/tests/sunburst_test.js
+++ b/test/jasmine/tests/sunburst_test.js
@@ -1345,7 +1345,7 @@ describe('Test sunburst texttemplate without `values` should work at root level:
         ['path: %{currentPath}', ['path: /', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve', 'path: Eve/Seth', 'path: Eve/Seth/', 'path: Eve/Awan/']],
         ['%{percentRoot} of %{root}', ['100% of Eve', '33% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve']],
         ['%{percentEntry} of %{entry}', ['100% of Eve', '33% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve']],
-        ['%{percentParent} of %{parent}', ['100% of ', '100% of Seth', '33% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '50% of Seth', '100% of Awan']],
+        ['%{percentParent} of %{parent}', ['%{percentParent} of %{parent}', '100% of Seth', '33% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '17% of Eve', '50% of Seth', '100% of Awan']],
         [
             [
                 'label: %{label}',
@@ -1389,7 +1389,7 @@ describe('Test sunburst texttemplate with *total* `values` should work at root l
         ['path: %{currentPath}', ['path: /', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve', 'path: Eve/Seth', 'path: Eve/Seth/', 'path: Eve/Awan/']],
         ['%{percentRoot} of %{root}', ['100% of Eve', '22% of Eve', '18% of Eve', '9% of Eve', '9% of Eve', '6% of Eve', '15% of Eve', '3% of Eve', '2% of Eve']],
         ['%{percentEntry} of %{entry}', ['100% of Eve', '22% of Eve', '18% of Eve', '9% of Eve', '9% of Eve', '6% of Eve', '15% of Eve', '3% of Eve', '2% of Eve']],
-        ['%{percentParent} of %{parent}', ['100% of ', '22% of Eve', '18% of Eve', '9% of Eve', '9% of Eve', '6% of Eve', '83% of Seth', '17% of Seth', '17% of Awan']],
+        ['%{percentParent} of %{parent}', ['%{percentParent} of %{parent}', '22% of Eve', '18% of Eve', '9% of Eve', '9% of Eve', '6% of Eve', '83% of Seth', '17% of Seth', '17% of Awan']],
         [
             [
                 'label: %{label}',
@@ -1433,7 +1433,7 @@ describe('Test sunburst texttemplate with *remainder* `values` should work at ro
         ['path: %{currentPath}', ['path: /', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve/', 'path: Eve', 'path: Eve/Seth', 'path: Eve/Seth/', 'path: Eve/Awan/']],
         ['%{percentRoot} of %{root}', ['100% of Eve', '20% of Eve', '12% of Eve', '6% of Eve', '5% of Eve', '3% of Eve', '8% of Eve', '2% of Eve', '1% of Eve']],
         ['%{percentEntry} of %{entry}', ['100% of Eve', '20% of Eve', '12% of Eve', '6% of Eve', '5% of Eve', '3% of Eve', '8% of Eve', '2% of Eve', '1% of Eve']],
-        ['%{percentParent} of %{parent}', ['100% of ', '20% of Eve', '12% of Eve', '6% of Eve', '5% of Eve', '3% of Eve', '42% of Seth', '8% of Seth', '14% of Awan']],
+        ['%{percentParent} of %{parent}', ['%{percentParent} of %{parent}', '20% of Eve', '12% of Eve', '6% of Eve', '5% of Eve', '3% of Eve', '42% of Seth', '8% of Seth', '14% of Awan']],
         [
             [
                 'label: %{label}',