diff --git a/cmd/cli/loop_test.go b/cmd/cli/loop_test.go
index e8cfb2a..b2c8404 100644
--- a/cmd/cli/loop_test.go
+++ b/cmd/cli/loop_test.go
@@ -2,6 +2,7 @@ package cli
 
 import (
 	"sync"
+	"sync/atomic"
 	"testing"
 )
 
@@ -9,16 +10,19 @@ func Test_loopGuard(t *testing.T) {
 	lg := newLoopGuard()
 	key := "foo"
 
-	var mu sync.Mutex
-	i := 0
+	var i atomic.Int64
+	var started atomic.Int64
 	n := 1000
 	do := func() {
 		locked := lg.TryLock(key)
 		defer lg.Unlock(key)
+		started.Add(1)
+		for started.Load() < 2 {
+			// Wait until at least 2 goroutines started, otherwise, on system with heavy load,
+			// or having only 1 CPU, all goroutines can be scheduled to run consequently.
+		}
 		if locked {
-			mu.Lock()
-			i++
-			mu.Unlock()
+			i.Add(1)
 		}
 	}
 
@@ -32,7 +36,7 @@ func Test_loopGuard(t *testing.T) {
 	}
 	wg.Wait()
 
-	if i == n {
+	if i.Load() == int64(n) {
 		t.Fatalf("i must not be increased %d times", n)
 	}
 }