diff --git a/Kbuild b/Kbuild
index 0a47ec4..57f1c6d 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1,3 +1,3 @@
 obj-m := kyoutubeUnblock.o
 kyoutubeUnblock-objs := kytunblock.o mangle.o quic.o utils.o kmod_utils.o
-ccflags-y := -std=gnu11 -DKERNEL_SPACE -Wno-error
+ccflags-y := -std=gnu11 -DKERNEL_SPACE -Wno-error -Wno-declaration-after-statement
diff --git a/kytunblock.c b/kytunblock.c
index 6d51378..6ed9e07 100644
--- a/kytunblock.c
+++ b/kytunblock.c
@@ -9,7 +9,6 @@
 #include <linux/mutex.h>
 #include <linux/socket.h>
 #include <linux/net.h>
-#include <linux/version.h>
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
diff --git a/types.h b/types.h
index c807e18..23cac9f 100644
--- a/types.h
+++ b/types.h
@@ -32,6 +32,7 @@ typedef __u64 	uint64_t;
 #include <linux/ip.h> // IWYU pragma: export
 #include <linux/ipv6.h> // IWYU pragma: export
 #include <linux/tcp.h> // IWYU pragma: export
+#include <linux/version.h>
 
 #define ip6_hdr ipv6hdr
 
diff --git a/utils.c b/utils.c
index f31d427..5f4c5f1 100644
--- a/utils.c
+++ b/utils.c
@@ -7,6 +7,13 @@
 #include <libnetfilter_queue/libnetfilter_queue_ipv4.h>
 #include <libnetfilter_queue/libnetfilter_queue_ipv6.h>
 #include <libnetfilter_queue/libnetfilter_queue_tcp.h>
+#else
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
+	#include <net/ip6_checksum.h>
+	#include <net/checksum.h>
+#else
+	#include <net/checksum.h>
+#endif
 #endif