diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 9509c17..57bc715 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -1163,7 +1163,7 @@
 	 */
 	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
 		ap->pci_using_dac = 1;
-	} else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
 		ap->pci_using_dac = 0;
 	} else {
 		ecode = -ENODEV;