diff --git a/Dockerfile b/Dockerfile
index 26edc237..893826b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,8 @@ MAINTAINER tgic <farmer1992@gmail.com>
 
 RUN apt-get update && apt-get install -y libpam0g-dev libpam-google-authenticator
 
+RUN ln -sf /usr/include/security/_pam_types.h /usr/include/security/pam_types.h
+
 RUN go get -d -tags pam github.com/tg123/sshpiper/sshpiperd
 RUN go install -ldflags "$(/go/src/github.com/tg123/sshpiper/sshpiperd/ldflags.sh)" -tags pam github.com/tg123/sshpiper/sshpiperd
 
diff --git a/sshpiperd/ldflags.sh b/sshpiperd/ldflags.sh
index ffd681cc..3a46cd48 100755
--- a/sshpiperd/ldflags.sh
+++ b/sshpiperd/ldflags.sh
@@ -5,4 +5,4 @@ cd $GOPATH/src/github.com/tg123/sshpiper
 githash=`git log --pretty=format:%h,%ad --name-only --date=short . | head -n 1`
 ver=`cat ver`
 
-echo "-X main.version $ver -X main.githash $githash"
+echo "-X main.version=$ver -X main.githash=$githash"