diff --git a/types/iab-vpaid/iab-vpaid-tests.ts b/types/iab-vpaid/iab-vpaid-tests.ts
index 4a40c05bc6..0ba2bb21c2 100644
--- a/types/iab-vpaid/iab-vpaid-tests.ts
+++ b/types/iab-vpaid/iab-vpaid-tests.ts
@@ -6,5 +6,8 @@ if (window.getVPAIDAd) {
     ad.subscribe((url, id, playerHandles) => {
         /* Handle click */
     }, 'AdClickThru');
+    ad.subscribe(() => {
+        /* Handle video midpoint */
+    }, 'AdVideoMidpoint');
     ad.startAd();
 }
diff --git a/types/iab-vpaid/index.d.ts b/types/iab-vpaid/index.d.ts
index 475e1fa659..dcceb60dfd 100644
--- a/types/iab-vpaid/index.d.ts
+++ b/types/iab-vpaid/index.d.ts
@@ -39,7 +39,7 @@ declare namespace iab.vpaid {
         | 'AdVolumeChange'
         | 'AdVideoStart'
         | 'AdVideoFirstQuartile'
-        | 'AdVideoMidPoint'
+        | 'AdVideoMidpoint'
         | 'AdVideoThirdQuartile'
         | 'AdVideoComplete'
         | 'AdUserAcceptInvitation'