diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 33bff70e1..bacbe05a2 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -1764,7 +1764,7 @@ static void process_dev(char *devname)
 		}
 	}
 	if (get_unmask) {
-		if(!ioctl_or_warn(fd, HDIO_GET_UNMASKINTR, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, HDIO_GET_UNMASKINTR, &parm))
 			print_value_on_off("unmaskirq", parm);
 	}
 
@@ -1781,24 +1781,24 @@ static void process_dev(char *devname)
 	}
 #endif
 	if (get_dma_q) {
-		if(!ioctl_or_warn(fd, HDIO_GET_QDMA, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, HDIO_GET_QDMA, &parm))
 			print_value_on_off("queue_depth", parm);
 	}
 	if (get_keep) {
-		if(!ioctl_or_warn(fd, HDIO_GET_KEEPSETTINGS, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, HDIO_GET_KEEPSETTINGS, &parm))
 			print_value_on_off("keepsettings", parm);
 	}
 
 	if (get_nowerr) {
-		if(!ioctl_or_warn(fd, HDIO_GET_NOWERR, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, HDIO_GET_NOWERR, &parm))
 			print_value_on_off("nowerr", parm);
 	}
 	if (get_readonly) {
-		if(!ioctl_or_warn(fd, BLKROGET, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, BLKROGET, &parm))
 			print_value_on_off("readonly", parm);
 	}
 	if (get_readahead) {
-		if(!ioctl_or_warn(fd, BLKRAGET, (unsigned long *)parm))
+		if(!ioctl_or_warn(fd, BLKRAGET, &parm))
 			print_value_on_off("readahead", parm);
 	}
 	if (get_geom) {