A French court has delayed its decision on whether to back Eurotunnel's request for protection against its creditors.
Eurotunnel has warned that it faces potential bankruptcy
The court in Paris is delaying its verdict by eight days until 2 August.
The news comes as Eurotunnel continues to struggle to reach a deal with its creditors to reduce its debt mountain, which stands at £6.2bn ($11.5bn).
Eurotunnel said it welcomed the delay and still hoped to reach agreement with its creditors, having paid 114m euros in interest.
The firm has earlier warned that without the court backing its request for protection, bankruptcy is a real risk.
Whatever happens in Eurotunnel's court case, the tunnel's passenger trains - which are run by Eurostar, a separate company - will not be affected.
Weak passenger numbers
Eurotunnel shouldered massive debts in order to dig the cross-channel rail tunnel, which opened in 1994.
Yet its business plan quickly got into difficulties when actual passenger numbers were greatly below its projections.
Eurotunnel is seeking the French equivalent of US "Chapter 11" bankruptcy protection, which gives firms time to rearrange their finances while still operating.
If approved by the courts, the "Procedure de Sauvegarde" would give Eurotunnel a six-month window of protection from creditors while it would continue to operate, while a court-appointed administrator attempts leads talks with creditors to try and restructure the company's debts.