diff --git a/whm/gniza-whm/schedules.cgi b/whm/gniza-whm/schedules.cgi
index 592b7eb..0dcfab5 100644
--- a/whm/gniza-whm/schedules.cgi
+++ b/whm/gniza-whm/schedules.cgi
@@ -8,6 +8,7 @@ use lib '/usr/local/cpanel/whostmgr/docroot/cgi/gniza-whm/lib';
 use Whostmgr::HTMLInterface ();
 use Cpanel::Form            ();
 use File::Copy              ();
+use POSIX                   ();
 use GnizaWHM::Config;
 use GnizaWHM::Validator;
 use GnizaWHM::Cron;
@@ -376,7 +377,7 @@ sub handle_run_now {
 
     my $log_file = "/var/log/gniza/cron-${name}.log";
 
-    # Fork to background
+    # Double-fork to fully detach from CGI process group
     my $pid = fork();
     if (!defined $pid) {
         GnizaWHM::UI::set_flash('error', "Failed to fork backup process: $!");
@@ -386,17 +387,24 @@ sub handle_run_now {
     }
 
     if ($pid == 0) {
-        # Child: detach and exec
+        # First child: new session, then fork again
+        POSIX::setsid();
+        my $pid2 = fork();
+        exit 0 if $pid2;   # first child exits immediately
+        # Grandchild: fully detached daemon
         close STDIN;
+        open STDIN, '<', '/dev/null';
         close STDOUT;
-        close STDERR;
         open STDOUT, '>>', $log_file;
+        close STDERR;
         open STDERR, '>&', \*STDOUT;
         exec @cmd;
         exit 1;
     }
 
-    # Parent: don't wait, redirect immediately
+    waitpid($pid, 0);  # Reap first child (exits immediately)
+
+    # Parent: redirect
     GnizaWHM::UI::set_flash('success', "Backup started for schedule '$name'. Check Logs for progress.");
     print "Status: 302 Found\r\n";
     print "Location: schedules.cgi\r\n\r\n";