diff --git a/shared/work/default.nix b/shared/work/default.nix
index e65f6ab..738a6f6 100644
--- a/shared/work/default.nix
+++ b/shared/work/default.nix
@@ -79,9 +79,7 @@
       ];
       bash.initExtra = ''
         hm_ps1_extra() {
-            if type -t mj_ps1_extra >/dev/null; then
-                mj_ps1_extra
-            fi
+            eval "''${MJ_PS1_EXTRA:-}"
         }
         export PS1=$(echo "$PS1" | sed 's;\\n;$(hm_ps1_extra);')
       '';