diff --git a/src/discovery/computername/OtagoComputerNameResolver.java b/src/discovery/computername/OtagoComputerNameResolver.java
index ae3c53b..4a7d8d2 100644
--- a/src/discovery/computername/OtagoComputerNameResolver.java
+++ b/src/discovery/computername/OtagoComputerNameResolver.java
@@ -48,7 +48,7 @@
 	@Override
 	public void resolve() {
 		if (computerName == null) {
-			throw new InvalidComputerNameException("The computer name has not been provided via a recognisable method.\nTry setting the COMPUTERNAME environment variable, or passing the name as an argument when starting the application.");
+			throw new InvalidComputerNameException("The computer name has not been provided via a recognisable method.\nTry setting the CLIENTNAME environment variable, or passing the name as an argument when starting the application.");
 		}