diff --git a/internal/mullvad/conf.go b/internal/mullvad/conf.go
index 64058edb..8602c17e 100644
--- a/internal/mullvad/conf.go
+++ b/internal/mullvad/conf.go
@@ -35,6 +35,7 @@ func (c *configurator) BuildConf(connections []models.OpenVPNConnection, verbosi
 		"nobind",
 		"persist-key",
 		"persist-tun",
+		"tls-client",
 		"remote-cert-tls server",
 		"ping 300",
 
diff --git a/internal/pia/conf.go b/internal/pia/conf.go
index 59cbd135..abc3c044 100644
--- a/internal/pia/conf.go
+++ b/internal/pia/conf.go
@@ -73,6 +73,7 @@ func (c *configurator) BuildConf(connections []models.OpenVPNConnection, encrypt
 		"nobind",
 		"persist-key",
 		"persist-tun",
+		"tls-client",
 		"remote-cert-tls server",
 		"ping 300", // Ping every 5 minutes to prevent a timeout error