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-rw-r--r--lib/mpls.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/mpls.h b/lib/mpls.h
index b5c1a653b1..13a46e1012 100644
--- a/lib/mpls.h
+++ b/lib/mpls.h
@@ -23,6 +23,8 @@
#ifndef _QUAGGA_MPLS_H
#define _QUAGGA_MPLS_H
+#include <arpa/inet.h>
+
/* Well-known MPLS label values (RFC 3032 etc). */
#define MPLS_V4_EXP_NULL_LABEL 0
#define MPLS_RA_LABEL 1