diff --git a/agents/dnsagent.go b/agents/dnsagent.go
index e1403260f..4f0b5830c 100644
--- a/agents/dnsagent.go
+++ b/agents/dnsagent.go
@@ -62,7 +62,7 @@ func (da *DNSAgent) initDNSServer() (_ error) {
 		if strings.HasSuffix(da.cgrCfg.DNSAgentCfg().Listeners[i].Network, utils.TLSNoCaps) {
 			cert, err := tls.LoadX509KeyPair(da.cgrCfg.TLSCfg().ServerCerificate, da.cgrCfg.TLSCfg().ServerKey)
 			if err != nil {
-				return err
+				return fmt.Errorf("load certificate error <%v>", err)
 			}
 			da.servers[i].Net = "tcp-tls"
 			da.servers[i].TLSConfig = &tls.Config{
diff --git a/services/dnsagent_it_test.go b/services/dnsagent_it_test.go
index 9cb3f4845..5b7832b69 100644
--- a/services/dnsagent_it_test.go
+++ b/services/dnsagent_it_test.go
@@ -228,8 +228,8 @@ func TestDNSAgentReload4(t *testing.T) {
 	dnsSrv.dns = nil
 
 	err := dnsSrv.Start()
-	if err == nil || err.Error() != "open bad_certificate: no such file or directory" {
-		t.Errorf("\nExpected <%+v>, \nReceived <%+v>", "open bad_certificate: no such file or directory", err)
+	if err == nil || err.Error() != "load certificate error <open bad_certificate: no such file or directory>" {
+		t.Errorf("\nExpected <%+v>, \nReceived <%+v>", "load certificate error <open bad_certificate: no such file or directory>", err)
 	}
 	dnsSrv.dns = nil
 
@@ -290,8 +290,8 @@ func TestDNSAgentReload6(t *testing.T) {
 	cfg.TLSCfg().ServerCerificate = "bad_certificate"
 	cfg.TLSCfg().ServerKey = "bad_key"
 	err = srv.Reload()
-	if err == nil || err.Error() != "open bad_certificate: no such file or directory" {
-		t.Errorf("\nExpected <%+v>, \nReceived <%+v>", "open bad_certificate: no such file or directory", err)
+	if err == nil || err.Error() != "load certificate error <open bad_certificate: no such file or directory>" {
+		t.Errorf("\nExpected <%+v>, \nReceived <%+v>", "load certificate error <open bad_certificate: no such file or directory>", err)
 	}
 
 }