diff --git a/falcosidekick.go b/falcosidekick.go
index fdd0eeb..c06a745 100644
--- a/falcosidekick.go
+++ b/falcosidekick.go
@@ -61,12 +61,18 @@ func (t *Teler) checkFalcoEvents() {
 
 	// Check for pending Falco events every 5 seconds.
 	for range ticker.C {
+		// Lock the FalcoSidekick event
+		t.falcoSidekick.sl.Lock()
+
 		// Get the count of pending Falco events.
 		c := len(t.falcoSidekick.events)
 		if c > 0 {
 			// Send pending Falco events to FalcoSidekick.
 			t.sendFalcoEvents()
 		}
+
+		// Unlock the FalcoSidekick event
+		t.falcoSidekick.sl.Unlock()
 	}
 }
 
diff --git a/teler_test.go b/teler_test.go
index d1befd8..98219a6 100644
--- a/teler_test.go
+++ b/teler_test.go
@@ -11,6 +11,7 @@ import (
 	"os"
 	"strings"
 	"testing"
+	"time"
 
 	"net/http"
 	"net/http/httptest"
@@ -286,6 +287,8 @@ func TestNewWithFalcoSidekickURL(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+
+	time.Sleep(5 * time.Second)
 }
 
 func TestNewWithVerbose(t *testing.T) {