diff --git a/Dockerfile-en b/Dockerfile-en
index 77fbfe87a2e..8db84add6ab 100644
--- a/Dockerfile-en
+++ b/Dockerfile-en
@@ -10,6 +10,7 @@ WORKDIR /usr/src/app
 # Accept build arguments
 ARG NPM_TOKEN
 ARG VOICE_TOKEN
+ARG VOICE_TWILIO_TOKEN
 
 COPY .npmrc_ .npmrc