diff --git a/Dockerfile b/Dockerfile
index 2667c55..7081bbc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN sed -i "s%http://archive.ubuntu.com/ubuntu/%${APT_URL}%" /etc/apt/sources.li
 # Update packages and install dependencies
 RUN apt-get update && apt-get -y upgrade && apt-get -y clean
 RUN apt-get install -y protobuf-compiler libh2o-dev libcurl4-openssl-dev \
-        libssl-dev libprotobuf-dev libh2o-evloop-dev libwslay-dev libeigen3-dev \
+        libssl-dev libprotobuf-dev libh2o-evloop-dev libwslay-dev libeigen3-dev libzstd-dev \
 	make gcc g++ git build-essential curl autoconf automake libfmt-dev libncurses5-dev \
     && apt-get -y clean
 
diff --git a/README.md b/README.md
index d054790..52b1654 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ To build everything, including the webserver, try:
 
 ```
 apt-get install protobuf-compiler libh2o-dev libcurl4-openssl-dev libssl-dev libprotobuf-dev \
-libh2o-evloop-dev libwslay-dev libncurses5-dev libeigen3-dev
+libh2o-evloop-dev libwslay-dev libncurses5-dev libeigen3-dev libzstd-dev
 git clone https://github.com/ahupowerdns/galmon.git --recursive
 cd galmon
 make
diff --git a/nmmsender.cc b/nmmsender.cc
index df5fb42..af5ddde 100644
--- a/nmmsender.cc
+++ b/nmmsender.cc
@@ -100,7 +100,7 @@ void NMMSender::sendTCPThread(Destination* d)
           }
           else {
             if(zsc && hadMessage) {
-              cerr << "Compressed to: "<< 100.0*zsc->d_outputBytes/zsc->d_inputBytes<<"%, buffered compressed: "<<zsc->outputBufferBytes()<<" out of " <<zsc->outputBufferCapacity()<<" bytes. Unacked: "<<unacked.size()<<endl;
+              //              cerr << "Compressed to: "<< 100.0*zsc->d_outputBytes/zsc->d_inputBytes<<"%, buffered compressed: "<<zsc->outputBufferBytes()<<" out of " <<zsc->outputBufferCapacity()<<" bytes. Unacked: "<<unacked.size()<<endl;
 
               zsc->flush();
 
diff --git a/ubxtool.cc b/ubxtool.cc
index b271cef..4d0d778 100644
--- a/ubxtool.cc
+++ b/ubxtool.cc
@@ -426,10 +426,10 @@ int main(int argc, char** argv)
   unsigned int fuzzPositionMeters=0;
   string owner;
   string remark;
-  bool doCompress=false;
+  bool doCompress=true;
   app.add_option("--destination,-d", destinations, "Send output to this IPv4/v6 address");
   app.add_flag("--wait", doWait, "Wait a bit, do not try to read init messages");
-  app.add_flag("--compress,-z", doCompress, "Use compressed protocol for network transmission");
+  //  app.add_flag("--compress,-z", doCompress, "Use compressed protocol for network transmission");
   app.add_flag("--reset", doReset, "Reset UBX device");
   app.add_flag("--beidou,-c", doBeidou, "Enable BeiDou reception");
   app.add_flag("--gps,-g", doGPS, "Enable GPS reception");