diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 8ae1308eecc715d87131af93a97bdfc10304b55b..cf36ff1f0068e5693bc3b9984137bd39d0770ffc 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -273,6 +273,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 		break;
 	case IB_SPEED_SDR:
 	default:		/* default to SDR for invalid rates */
+		speed = " SDR";
 		rate = 25;
 		break;
 	}