diff --git a/client.js b/client.js
index 58dd0689..8310c9bf 100644
--- a/client.js
+++ b/client.js
@@ -33,6 +33,11 @@ if (!fs.existsSync("./sharedMods/")) {
 const instance = process.argv[3];
 const instancedirectory = './instances/' + instance;
 const command = process.argv[2];
+
+// Set the process title, shows up as the title of the CMD window on windows
+// and as the process name in ps/top on linux.
+process.title = "clusterioClient "+instance;
+
 var instanceInfo = {};
 
 // function to handle sending commands into the game
diff --git a/master.js b/master.js
index 1e642f13..25d47a5e 100644
--- a/master.js
+++ b/master.js
@@ -1,3 +1,7 @@
+// Set the process title, shows up as the title of the CMD window on windows
+// and as the process name in ps/top on linux.
+process.title = "clusterioMaster";
+
 // configgy stuff
 debug = false;