diff --git a/sysctl.d/50-default.conf b/sysctl.d/50-default.conf
index b0645f3..e263cf0 100644
--- a/sysctl.d/50-default.conf
+++ b/sysctl.d/50-default.conf
@@ -22,7 +22,7 @@ kernel.sysrq = 16
 kernel.core_uses_pid = 1
 
 # Source route verification
-net.ipv4.conf.all.rp_filter = 2
+net.ipv4.conf.all.rp_filter = 1
 
 # Do not accept source routing
 net.ipv4.conf.all.accept_source_route = 0