diff --git a/src/vs/platform/remote/common/tunnel.ts b/src/vs/platform/remote/common/tunnel.ts
index e2bdd9c9cf4d..bc32f5090d7b 100644
--- a/src/vs/platform/remote/common/tunnel.ts
+++ b/src/vs/platform/remote/common/tunnel.ts
@@ -177,6 +177,7 @@ export abstract class AbstractTunnelService implements ITunnelService {
 
 		const resolvedTunnel = this.retainOrCreateTunnel(addressProvider, remoteHost, remotePort, localPort, elevateIfNeeded, isPublic);
 		if (!resolvedTunnel) {
+			this.logService.trace(`Tunnel was not created.`);
 			return resolvedTunnel;
 		}