diff --git a/libc/dns/inet/nsap_addr.c b/libc/dns/inet/nsap_addr.c
index e18bd33..4deabac 100644
--- a/libc/dns/inet/nsap_addr.c
+++ b/libc/dns/inet/nsap_addr.c
@@ -32,7 +32,7 @@
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <assert.h>
 #include <ctype.h>