1 files changed, 5 insertions, 0 deletions

diff --git a/src/nat/gnunet-helper-nat-server.c b/src/nat/gnunet-helper-nat-server.c
index 37b875ee4..71057beec 100644
--- a/src/nat/gnunet-helper-nat-server.c
+++ b/src/nat/gnunet-helper-nat-server.c
@@ -65,6 +65,11 @@
 #include <netinet/ip_icmp.h>
 #include <netinet/in.h>
 
+/* The following constant is missing from FreeBSD 9.2 */
+#ifndef ICMP_TIME_EXCEEDED
+#define ICMP_TIME_EXCEEDED 11
+#endif
+
 /**
  * Should we print some debug output?
  */