diff --git a/isisd/isis_pfpacket.c b/isisd/isis_pfpacket.c
index 8752dba..9e4165e 100644
--- a/isisd/isis_pfpacket.c
+++ b/isisd/isis_pfpacket.c
@@ -21,6 +21,7 @@
  */
 
 #include <zebra.h>
+#if ISIS_METHOD == ISIS_METHOD_PFPACKET
 #include <net/ethernet.h>	/* the L2 protocols */
 #include <netpacket/packet.h>
 
@@ -371,3 +372,5 @@
 
   return ISIS_OK;
 }
+
+#endif /* ISIS_METHOD == ISIS_METHOD_PFPACKET */