diff --git a/build/Dockerfile b/build/Dockerfile
index 7e193b3..e90ff25 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -7,7 +7,7 @@ ARG version
 RUN apt-get update && apt-get install -y golang build-essential libsecret-1-dev
 
 # Build
-ADD https://github.com/ProtonMail/proton-bridge.git#{version} /build/
+ADD https://github.com/ProtonMail/proton-bridge.git#${version} /build/
 WORKDIR /build/
 RUN make build-nogui vault-editor