diff --git a/src/components/BlockPanel.js b/src/components/BlockPanel.js
index 0cd2f46c7..f373c3b62 100644
--- a/src/components/BlockPanel.js
+++ b/src/components/BlockPanel.js
@@ -11,7 +11,7 @@ const BlockPanel = (props) => (
   </Card>
 );
 
-BlockPanel.PropTypes = {
+BlockPanel.propTypes = {
   title: React.PropTypes.string,
   url: React.PropTypes.string,
   value: React.PropTypes.string
diff --git a/src/components/Datapair.js b/src/components/Datapair.js
index c24ae7016..00b1fdaed 100644
--- a/src/components/Datapair.js
+++ b/src/components/Datapair.js
@@ -8,7 +8,7 @@ const Datapair = (props) => (
   </Row>
 );
 
-Datapair.PropTypes = {
+Datapair.propTypes = {
   label: React.PropTypes.string.isRequired,
   value: React.PropTypes.string
 };