diff --git a/pkg/sysctl/Dockerfile b/pkg/sysctl/Dockerfile
index e4af04e95..d4ad13d4b 100644
--- a/pkg/sysctl/Dockerfile
+++ b/pkg/sysctl/Dockerfile
@@ -1,11 +1,11 @@
 FROM linuxkit/alpine:33063834cf72d563cd8703467836aaa2f2b5a300 AS mirror
 
 RUN apk add --no-cache go musl-dev
-ENV GOPATH=/go PATH=$PATH:/go/bin GO111MODULE=off
+ENV GOPATH=/go PATH=$PATH:/go/bin
 # Hack to work around an issue with go on arm64 requiring gcc
 RUN [ $(uname -m) = aarch64 ] && apk add --no-cache gcc || true
 
-COPY main.go /go/src/sysctl/
+COPY . /go/src/sysctl/
 RUN go-compile.sh /go/src/sysctl
 
 FROM scratch
diff --git a/pkg/sysctl/go.mod b/pkg/sysctl/go.mod
new file mode 100644
index 000000000..651a4e037
--- /dev/null
+++ b/pkg/sysctl/go.mod
@@ -0,0 +1,3 @@
+module github.com/linuxkit/linuxkit/pkg/sysctl
+
+go 1.15