diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c
index a1fce68e3bbe65aded6adf7bb05f3c465b3e5d92..17be051b7aa3109c4aef78b320823da2eecb5fc8 100644
--- a/drivers/gpu/drm/ati_pcigart.c
+++ b/drivers/gpu/drm/ati_pcigart.c
@@ -113,7 +113,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
 
 		if (pci_set_dma_mask(dev->pdev, gart_info->table_mask)) {
 			DRM_ERROR("fail to set dma mask to 0x%Lx\n",
-				  gart_info->table_mask);
+				  (unsigned long long)gart_info->table_mask);
 			ret = 1;
 			goto done;
 		}