diff --git a/packages/babel-plugin-flow-runtime/src/transformVisitors.js b/packages/babel-plugin-flow-runtime/src/transformVisitors.js
index 78d954a..dc47ace 100644
--- a/packages/babel-plugin-flow-runtime/src/transformVisitors.js
+++ b/packages/babel-plugin-flow-runtime/src/transformVisitors.js
@@ -648,7 +648,7 @@ export default function transformVisitors (context: ConversionContext): Object {
       const hasSuperTypeParameters = superTypeParameters.length > 0;
       if (path.has('superClass') && isReactComponentClass(path.get('superClass'))) {
         const annotation = hasSuperTypeParameters
-                         ? superTypeParameters[1]
+                         ? superTypeParameters[0]
                          : getClassPropertyAnnotation(path, 'props')
                          ;