diff --git a/docker/Dockerfile b/docker/Dockerfile
index a461ae641..2a66014e4 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -5,7 +5,7 @@ ARG TARGETPLATFORM
 FROM alpine:3.18.4 AS arm-alpine
 FROM alpine:3.21 AS arm64-alpine
 FROM alpine:3.21 AS amd64-alpine
-FROM alpine:3.21 as riscv64-alpine
+FROM alpine:3.21 AS riscv64-alpine
 
 FROM ${TARGETARCH}-alpine AS base