diff --git a/superset/assets/src/visualizations/rose.js b/superset/assets/src/visualizations/rose.js
index ff22022f9ac2e..875e748b5ef34 100644
--- a/superset/assets/src/visualizations/rose.js
+++ b/superset/assets/src/visualizations/rose.js
@@ -8,14 +8,12 @@ import './rose.css';
 
 const propTypes = {
   // Data is an object hashed by numeric value, perhaps timestamp
-  // Each entry is
-  // PropTypes.arrayOf(PropTypes.shape({
-  //   key: PropTypes.arrayOf(PropTypes.string),
-  //   name: PropTypes.arrayOf(PropTypes.string),
-  //   time: PropTypes.number,
-  //   value: PropTypes.number,
-  // })),
-  data: PropTypes.object,
+  data: PropTypes.objectOf(PropTypes.arrayOf(PropTypes.shape({
+    key: PropTypes.arrayOf(PropTypes.string),
+    name: PropTypes.arrayOf(PropTypes.string),
+    time: PropTypes.number,
+    value: PropTypes.number,
+  }))),
   width: PropTypes.number,
   height: PropTypes.number,
   dateTimeFormat: PropTypes.string,