diff --git a/Dockerfile b/Dockerfile
index d51e3f47..9f24b0f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.11
+FROM golang:1.11 AS builder
 
 WORKDIR /go/src/github.com/sapcc/kuberntes-oomkill-exporter
 ENV GO111MODULE=on \
@@ -16,7 +16,7 @@ FROM alpine:3.8
 LABEL maintainer="jan.knipper@sap.com"
 
 RUN apk --no-cache add ca-certificates
-COPY --from=0 /kubernetes-oomkill-exporter /kubernetes-oomkill-exporter
+COPY --from=builder /kubernetes-oomkill-exporter /kubernetes-oomkill-exporter
 
 ENTRYPOINT ["/kubernetes-oomkill-exporter"]
 CMD ["-logtostderr"]
diff --git a/main.go b/main.go
index c9f2b2c5..27412732 100644
--- a/main.go
+++ b/main.go
@@ -17,7 +17,7 @@ import (
 )
 
 var (
-	kmesgRE = regexp.MustCompile("/pod(\\w+\\-\\w+\\-\\w+\\-\\w+\\-\\w+)/([a-f0-9]+) killed as a result of limit of /kubepods")
+	kmesgRE = regexp.MustCompile(`/pod(\w+-\w+-\w+-\w+-\w+)/([a-f0-9]+) killed as a result of limit of /kubepods`)
 )
 
 var (