diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 811e11c82f32907a98a02a442ecb76cb1da471fb..0809cda93cc031360257c7f0802964e15f0f0d51 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -2954,7 +2954,7 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
 	case DAC960_PD_Controller:
 	  if (!request_region(Controller->IO_Address, 0x80,
 			      Controller->FullModelName)) {
-		DAC960_Error("IO port 0x%d busy for Controller at\n",
+		DAC960_Error("IO port 0x%lx busy for Controller at\n",
 			     Controller, Controller->IO_Address);
 		goto Failure;
 	  }
@@ -2990,7 +2990,7 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
 	case DAC960_P_Controller:
 	  if (!request_region(Controller->IO_Address, 0x80,
 			      Controller->FullModelName)){
-		DAC960_Error("IO port 0x%d busy for Controller at\n",
+		DAC960_Error("IO port 0x%lx busy for Controller at\n",
 		   	     Controller, Controller->IO_Address);
 		goto Failure;
 	  }