diff --git a/src/prism2/driver/prism2sta.c b/src/prism2/driver/prism2sta.c
index 46901fb..679dff5 100644
--- a/src/prism2/driver/prism2sta.c
+++ b/src/prism2/driver/prism2sta.c
@@ -3851,7 +3851,9 @@ prism2sta_probe_plx(
 		}
 	}
 
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,0))
 	memcpy(wlandev->slotname, pdev->slot_name, sizeof(pdev->slot_name));
+#endif
 	pci_set_drvdata(pdev, wlandev);
 
 	/* Shouldn't actually hook up the IRQ until we