diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3563c203f..da1ea7c8a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 ARG BASE="18-bullseye-full"
-ARG SCRYPTED_INSTALL_VERSION=latest
+ARG SCRYPTED_INSTALL_VERSION="latest"
 FROM koush/scrypted-common:${BASE}
 
 WORKDIR /
diff --git a/docker/Dockerfile.s6 b/docker/Dockerfile.s6
index 04257ef45..1f4c2dcba 100644
--- a/docker/Dockerfile.s6
+++ b/docker/Dockerfile.s6
@@ -1,5 +1,5 @@
 ARG BASE="18-bullseye-full"
-ARG SCRYPTED_INSTALL_VERSION=latest
+ARG SCRYPTED_INSTALL_VERSION="latest"
 FROM koush/scrypted-common:${BASE}
 
 # avahi advertiser support