diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 57d9223..ad704c7 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -68,7 +68,7 @@
 	if (!filter)
 		goto out;
 
-	fprog = filter->orig_prog;
+	fprog = filter->prog->orig_prog;
 	flen = bpf_classic_proglen(fprog);
 
 	attr = nla_reserve(skb, attrtype, flen);