diff --git a/portainer/Dockerfile b/portainer/Dockerfile
index 6826f55e6..1f8130c6a 100644
--- a/portainer/Dockerfile
+++ b/portainer/Dockerfile
@@ -7,12 +7,13 @@ ARG BUILD_UPSTREAM="2.9.3"
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 # Setup base
-ARG BUILD_ARCH
 RUN \
     apk add --no-cache \
-    nginx \
-	\
-    && if [ "${BUILD_ARCH}" = "aarch64" ]; then ARCH="arm64"; fi \
+    nginx || true
+
+ARG BUILD_ARCH
+RUN \
+    if [ "${BUILD_ARCH}" = "aarch64" ]; then ARCH="arm64"; fi \
     && if [ "${BUILD_ARCH}" = "armhf" ]; then ARCH="arm"; fi \
     && if [ "${BUILD_ARCH}" = "armv7" ]; then ARCH="arm"; fi \
     && if [ "${BUILD_ARCH}" = "amd64" ]; then ARCH="amd64"; fi \