diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index af6e47f..b81c1bb 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-ARG BUILD_BASE_IMAGE=alpine:latest
+ARG BUILD_BASE_IMAGE
 FROM ${BUILD_BASE_IMAGE} AS builder
 
 ARG BUILD_TAG
@@ -26,10 +26,11 @@ RUN apt update && \
     ./build.sh -c gcc -b release
 
 
-ARG BUILD_BASE_IMAGE=alpine:latest
-FROM ${BUILD_BASE_IMAGE}
+ARG BUILD_RUNTIME_IMAGE
+FROM ${BUILD_RUNTIME_IMAGE}
 
 ARG BUILD_APP_USER
+
 COPY --from=builder /app/hibp/build/gcc/release/* /usr/local/bin/
 
 WORKDIR /app