diff --git a/src/modules/module-netjack2-manager.c b/src/modules/module-netjack2-manager.c
index 31310ca0b..ff2268ecc 100644
--- a/src/modules/module-netjack2-manager.c
+++ b/src/modules/module-netjack2-manager.c
@@ -37,6 +37,10 @@
 
 #include "module-netjack2/peer.c"
 
+#ifdef __FreeBSD__
+#define ifr_ifindex ifr_index
+#endif
+
 #ifndef IPTOS_DSCP
 #define IPTOS_DSCP_MASK 0xfc
 #define IPTOS_DSCP(x) ((x) & IPTOS_DSCP_MASK)