diff --git a/modules/disk-load/cmd/disk-load/cpu_process.go b/modules/disk-load/cmd/disk-load/cpu_process.go
index af6f722c..6c01251d 100644
--- a/modules/disk-load/cmd/disk-load/cpu_process.go
+++ b/modules/disk-load/cmd/disk-load/cpu_process.go
@@ -108,6 +108,8 @@ func (m *Machine) unitProcs(cgroup string) map[int]procReading {
 // they can carry a password.
 func (m *Machine) commandLine(pid int) string {
 	s, _, _ := strings.Cut(m.read("/proc/"+strconv.Itoa(pid)+"/cmdline"), "\x00")
+	s, _, _ = strings.Cut(s, " ") // a process that rewrites its title puts its whole command line here
+	s, _, _ = strings.Cut(s, "\t")
 	s = strings.TrimSpace(s)
 	if r := []rune(s); len(r) > 120 {
 		s = string(r[:120])
diff --git a/modules/disk-load/cmd/disk-load/cpu_test.go b/modules/disk-load/cmd/disk-load/cpu_test.go
index 07799355..748e8e3c 100644
--- a/modules/disk-load/cmd/disk-load/cpu_test.go
+++ b/modules/disk-load/cmd/disk-load/cpu_test.go
@@ -196,9 +196,10 @@ func TestCPUTopRanksAUnitsProcesses(t *testing.T) {
 	f.file("/proc/13/stat", "13 (deep) S 1 1 1 0 -1 0 0 0 0 0 0 0 0 0 20 0 4 0 1 1 1\n")
 	f.file("/proc/10/cmdline", "/usr/bin/firefox\x00--new-window\x00")
 	f.file("/proc/11/cmdline", "mysql\x00--password\x00hunter2\x00")
-	st(10, "firefox", 150, 40) // 75 % of one CPU over 2 s
-	st(11, "sh (x)", 40, 1)    // 20 %
-	st(13, "deep", 10, 4)      // 5 %, in the child cgroup
+	f.file("/proc/13/cmdline", "/usr/bin/tool --password hunter2 -x") // a rewritten title: one string, spaces, no NUL
+	st(10, "firefox", 150, 40)                                        // 75 % of one CPU over 2 s
+	st(11, "sh (x)", 40, 1)                                           // 20 %
+	st(13, "deep", 10, 4)                                             // 5 %, in the child cgroup
 	f.then("/sys/fs/cgroup/user.slice/session-c1.scope/cgroup.procs", "10\n11\n14\n")
 	f.file("/sys/fs/cgroup/user.slice/session-c1.scope/app/cgroup.procs", "13\n15\n")
 	f.file("/proc/15/stat", "15 (old) S 1 1 1 0 -1 0 0 0 0 0 0 0 0 0 20 0 1 0 1 1 1\n")
@@ -211,7 +212,7 @@ func TestCPUTopRanksAUnitsProcesses(t *testing.T) {
 	}
 	top := out.(map[string]any)["top"].([]ProcessCPU)
 	if len(top) != 3 || top[2].PID != 13 || top[2].CPUPct != 5 || top[0].PID != 10 || top[0].CPUPct != 75 || top[0].SharePct != 75 || top[0].Threads != 40 ||
-		top[0].Command != "firefox: /usr/bin/firefox" || top[1].PID != 11 || top[1].CPUPct != 20 || top[1].Command != "sh (x): mysql" {
+		top[0].Command != "firefox: /usr/bin/firefox" || top[1].PID != 11 || top[1].CPUPct != 20 || top[1].Command != "sh (x): mysql" || top[2].Command != "deep: /usr/bin/tool" {
 		t.Errorf("processes of the unit: %+v", top)
 	}
 	for _, p := range top {