diff --git a/build/guestbooky-backup/Dockerfile b/build/guestbooky-backup/Dockerfile
index 0bde9b1..f59cd8d 100644
--- a/build/guestbooky-backup/Dockerfile
+++ b/build/guestbooky-backup/Dockerfile
@@ -7,7 +7,7 @@ COPY ../../src/Guestbooky-backup/ .
 
 RUN go mod download
 
-RUN go build -o guestbooky-backup .
+RUN go build -o guestbooky-backup cmd/guestbooky-backup/guestbooky-backup.go
 
 # Start a new stage from scratch
 FROM alpine:latest