diff --git a/runners/alpine/Dockerfile b/runners/alpine/Dockerfile
index a1eb870e..7516f3a2 100644
--- a/runners/alpine/Dockerfile
+++ b/runners/alpine/Dockerfile
@@ -1,5 +1,5 @@
 ARG NODE_ARCH_RELEASE
-FROM ghcr.io/pyca/static-nodejs-${NODE_ARCH_RELEASE} as staticnodejs
+FROM ghcr.io/pyca/static-nodejs-${NODE_ARCH_RELEASE} AS staticnodejs
 
 FROM alpine:latest