diff --git a/kernel-module/nft_rtpengine.c b/kernel-module/nft_rtpengine.c
index 3c2ef69f5..5b50a7c87 100644
--- a/kernel-module/nft_rtpengine.c
+++ b/kernel-module/nft_rtpengine.c
@@ -7603,7 +7603,7 @@ static const struct nft_expr_ops rtpengine_inet_ops = {
 	.destroy		= rtpengine_expr_destroy,
 	.dump			= rtpengine_expr_dump,
 	.validate		= rtpengine_expr_validate,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,17,0) && LINUX_VERSION_CODE < KERNEL_VERSION(7,1,0)
+#ifdef NFT_REDUCE_READONLY
 	.reduce			= NFT_REDUCE_READONLY,
 #endif
 };
@@ -7616,7 +7616,7 @@ static const struct nft_expr_ops rtpengine_ipv4_ops = {
 	.destroy		= rtpengine_expr_destroy,
 	.dump			= rtpengine_expr_dump,
 	.validate		= rtpengine_expr_validate,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,17,0) && LINUX_VERSION_CODE < KERNEL_VERSION(7,1,0)
+#ifdef NFT_REDUCE_READONLY
 	.reduce			= NFT_REDUCE_READONLY,
 #endif
 };
@@ -7629,7 +7629,7 @@ static const struct nft_expr_ops rtpengine_ipv6_ops = {
 	.destroy		= rtpengine_expr_destroy,
 	.dump			= rtpengine_expr_dump,
 	.validate		= rtpengine_expr_validate,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,17,0) && LINUX_VERSION_CODE < KERNEL_VERSION(7,1,0)
+#ifdef NFT_REDUCE_READONLY
 	.reduce			= NFT_REDUCE_READONLY,
 #endif
 };