diff --git a/extensions/compat_xtables.h b/extensions/compat_xtables.h
index 0284dfc..617314c 100644
--- a/extensions/compat_xtables.h
+++ b/extensions/compat_xtables.h
@@ -28,6 +28,7 @@
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 19)
 #	define neigh_hh_output xtnu_neigh_hh_output
+#	define IPPROTO_UDPLITE 136
 #endif
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24)
diff --git a/extensions/xt_SYSRQ.c b/extensions/xt_SYSRQ.c
index cb12b9f..86d2e34 100644
--- a/extensions/xt_SYSRQ.c
+++ b/extensions/xt_SYSRQ.c
@@ -50,7 +50,11 @@ static unsigned int sysrq_tg(const void *pdata, uint16_t len)
 		return NF_DROP;
 	}
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19)
 	handle_sysrq(c, NULL);
+#else
+	handle_sysrq(c, NULL, NULL);
+#endif
 	return NF_ACCEPT;
 }