diff --git a/net/wireguard/compat/compat.h b/net/wireguard/compat/compat.h
index 91d4388824ea..af2b8d1725df 100644
--- a/net/wireguard/compat/compat.h
+++ b/net/wireguard/compat/compat.h
@@ -761,7 +761,7 @@ static inline void crypto_xor_cpy(u8 *dst, const u8 *src1, const u8 *src2,
 #define totalram_pages() totalram_pages
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
 struct __kernel_timespec {
 	int64_t tv_sec, tv_nsec;
 };