diff --git a/frontend/public/src/lib/util.js b/frontend/public/src/lib/util.js
index 86cb193c9..a27818306 100644
--- a/frontend/public/src/lib/util.js
+++ b/frontend/public/src/lib/util.js
@@ -146,7 +146,7 @@ export const objectToFormData = (object: Object) => {
 
 // Example return values: "January 1, 2019", "December 31, 2019"
 export const formatPrettyDate = (momentDate: Moment) =>
-  momentDate.format("MMMM D, YYYY")
+  momentDate.format("MMMM D, YYYY", "en")
 
 // Example return values: "Jan 1, 2019", "Dec 31, 2019"
 export const formatPrettyShortDate = (momentDate: Moment) =>