diff --git a/src/PVE/Auth/PAM.pm b/src/PVE/Auth/PAM.pm
index 8586da5..c2b767d 100644
--- a/src/PVE/Auth/PAM.pm
+++ b/src/PVE/Auth/PAM.pm
@@ -89,7 +89,10 @@ sub store_password {
 
     push @$cmd, '-p', $epw, $username;
 
-    run_command($cmd, errmsg => 'change password failed');
+    run_command(
+        $cmd,
+        errmsg => "changing the password of the PAM user '$username' on the host system failed",
+    );
 }
 
 1;