diff --git a/derivations/dev/go.nix b/derivations/dev/go.nix
index c8ffb27..0b8a3a0 100644
--- a/derivations/dev/go.nix
+++ b/derivations/dev/go.nix
@@ -22,6 +22,7 @@ let
   ];
   goShellHook = { goPackages, name }: ''
       goname=${goPackages.go.version}_$name
+      setPS1 $goname
       export GOROOT=${goPackages.go}/share/go
       export GOPATH="$HOME/.gopath_$goname"
       export PATH="$HOME/.gopath_$goname/bin:$PATH"