diff --git a/apps/rpuppy/Dockerfile b/apps/rpuppy/Dockerfile
index 1c0d1c6..5b5f85e 100644
--- a/apps/rpuppy/Dockerfile
+++ b/apps/rpuppy/Dockerfile
@@ -1,4 +1,6 @@
 FROM alpine:latest
 
-COPY rpuppy /usr/bin
+ARG TARGETARCH
+
+COPY rpuppy_${TARGETARCH} /usr/bin/rpuppy
 RUN chmod +x /usr/bin/rpuppy