diff --git a/web/account/traditional-login-form.react.js b/web/account/traditional-login-form.react.js
--- a/web/account/traditional-login-form.react.js
+++ b/web/account/traditional-login-form.react.js
@@ -120,7 +120,7 @@
     if (inputDisabled) {
       return <LoadingIndicator status="loading" />;
     }
-    return 'Log in';
+    return 'Sign in';
   }, [inputDisabled]);
 
   return (