diff --git a/scripts/nix-profile-daemon.fish.in b/scripts/nix-profile-daemon.fish.in
index 56d851a9c..3d587dd7f 100644
--- a/scripts/nix-profile-daemon.fish.in
+++ b/scripts/nix-profile-daemon.fish.in
@@ -1,6 +1,6 @@
 # Only execute this file once per shell.
 if test -n "$__ETC_PROFILE_NIX_SOURCED"
-  return
+  exit
 end
 
 set __ETC_PROFILE_NIX_SOURCED 1