diff --git a/sysctl.d/50-default.conf b/sysctl.d/50-default.conf
index 41bd1f9183..c22d690de4 100644
--- a/sysctl.d/50-default.conf
+++ b/sysctl.d/50-default.conf
@@ -22,13 +22,13 @@ kernel.sysrq = 16
 kernel.core_uses_pid = 1
 
 # Source route verification
-net.ipv4.conf.all.rp_filter = 2
+net.ipv4.conf.default.rp_filter = 2
 
 # Do not accept source routing
-net.ipv4.conf.all.accept_source_route = 0
+net.ipv4.conf.default.accept_source_route = 0
 
 # Promote secondary addresses when the primary address is removed
-net.ipv4.conf.all.promote_secondaries = 1
+net.ipv4.conf.default.promote_secondaries = 1
 
 # ping(8) without CAP_NET_ADMIN and CAP_NET_RAW
 # The upper limit is set to 2^31-1. Values greater than that get rejected by