diff --git a/Dockerfile b/Dockerfile
index 2a57e67478..ee6be39886 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,5 +3,6 @@ FROM alpine:3.6
 RUN apk add --update ca-certificates # Certificates for SSL
 
 ADD oathkeeper-docker-bin /go/bin/oathkeeper
+RUN chmod a=+x /go/bin/oathkeeper
 
 ENTRYPOINT ["/go/bin/oathkeeper"]