diff --git a/scst/include/backport.h b/scst/include/backport.h
index 7386fa340..56fbb96f0 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -1797,8 +1797,9 @@ enum {
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(6, 3, 0) &&		\
-	(!defined(RHEL_RELEASE_CODE) ||				\
-	 RHEL_RELEASE_CODE -0 < RHEL_RELEASE_VERSION(9, 3))
+	(!defined(RHEL_MAJOR) || RHEL_MAJOR -0 < 8 ||		\
+	 RHEL_MAJOR -0 == 8 && RHEL_MINOR -0 < 9 ||		\
+	 RHEL_MAJOR -0 == 9 && RHEL_MINOR -0 < 3)
 /*
  * See also commit 64fd2ba977b1 ("scsi: scsi_transport_fc: Add an additional
  * flag to fc_host_fpin_rcv()") # v6.3