diff --git a/gnu/home/services/shells.scm b/gnu/home/services/shells.scm
index d7dd579293..8d7db6b774 100644
--- a/gnu/home/services/shells.scm
+++ b/gnu/home/services/shells.scm
@@ -407,6 +407,9 @@ (define* (file-if-not-empty field #:optional (extra-content #f))
 # Honor per-interactive-shell startup file
 if [ -f ~/.bashrc ]; then source ~/.bashrc; fi
 "
+        (if (home-bash-configuration-guix-defaults? config)
+            "export PS1=...\n"
+            "")
         (serialize-field 'bash-profile)
         (serialize-field 'environment-variables)))