diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index d2ca3fa..93b61f1 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -1868,7 +1868,7 @@
 	 * the target sees, so we just handshake.
 	 */
 
-	while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ)
+	while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ))
 		;
 
 	NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));