diff --git a/packages/superset-ui-plugin-chart-word-cloud/src/chart/WordCloud.tsx b/packages/superset-ui-plugin-chart-word-cloud/src/chart/WordCloud.tsx
index 1ea136cbb..cf25f4917 100644
--- a/packages/superset-ui-plugin-chart-word-cloud/src/chart/WordCloud.tsx
+++ b/packages/superset-ui-plugin-chart-word-cloud/src/chart/WordCloud.tsx
@@ -83,7 +83,7 @@ export default class WordCloud extends React.PureComponent<
     const { data, width, height, rotation, encoding } = this.props;
 
     const encoder = this.createEncoder(encoding);
-    encoder.channels.fontSize.setDomainFromDataset(data);
+    encoder.setDomainFromDataset(data);
 
     cloudLayout()
       .size([width, height])