diff --git a/Dockerfile b/Dockerfile
index 259b4f1..4763859 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,4 +10,4 @@ RUN rm -rf /var/cache/apk/*
 RUN mkdir ~/.ssh
 
 # Copy in our executables.
-COPY add-key.sh /bin/add-key.sh
+COPY add-key.sh /bin/add-key