diff --git a/Dockerfile.rpi b/Dockerfile.rpi
index 10bd4437db..8ecfd19a1e 100644
--- a/Dockerfile.rpi
+++ b/Dockerfile.rpi
@@ -14,7 +14,7 @@ RUN apk --no-cache add \
     curl \
     openssh \
     tzdata
-RUN addgroup
+RUN addgroup \
     -S -g 1000 \
     git && \
   adduser \