diff --git a/.drone.jsonnet b/.drone.jsonnet
index b0ef5e1..4ee72b8 100644
--- a/.drone.jsonnet
+++ b/.drone.jsonnet
@@ -14,6 +14,7 @@ local build(dir, package) = {
     dockerfile: '%(dir)s/%(package)s/Dockerfile' % { dir: dir, package: package },
     registry: 'http://cr.wks',
     insecure: 'true',
+    experimental: 'true',
     tags: ['latest'],
     repo: 'cr.wks/%(package)s' % { package: package },
   },
diff --git a/apps/mosquitto-prometheus-exporter/Dockerfile b/apps/mosquitto-prometheus-exporter/Dockerfile
index c9fd53a..817a800 100644
--- a/apps/mosquitto-prometheus-exporter/Dockerfile
+++ b/apps/mosquitto-prometheus-exporter/Dockerfile
@@ -6,13 +6,12 @@ ENV GOCACHE=/usr/src/gocache
 RUN go env
 WORKDIR /usr/src
 RUN go install github.com/sapcc/mosquitto-exporter@latest
-RUN chmod 0755 /usr/src/gopath/bin/mosquitto-exporter
 #RUN go mod download
 
 FROM scratch
 LABEL source_repository="https://github.com/sapcc/mosquitto-exporter"
 
-COPY --from=build /usr/src/gopath/bin/mosquitto-exporter /mosquitto-exporter
+COPY --from=build --chmod=0755 /usr/src/gopath/bin/mosquitto-exporter /mosquitto-exporter
 
 EXPOSE 9234