diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index dae730d0e..c187275a3 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -295,6 +295,11 @@ struct TALER_DepositRequestPS
    */
   struct GNUNET_TIME_AbsoluteNBO refund_deadline;
 
+  /**
+   * Deadline for the customer to pay for h_contract
+   */
+  struct GNUNET_TIME_AbsoluteNBO pay_deadline;
+
   /**
    * Merchant-generated transaction ID to detect duplicate
    * transactions.  The merchant must communicate a merchant-unique ID