diff --git a/src/modules/module-rtp-sap.c b/src/modules/module-rtp-sap.c
index 90e60c9db..b77122858 100644
--- a/src/modules/module-rtp-sap.c
+++ b/src/modules/module-rtp-sap.c
@@ -24,6 +24,10 @@
 
 #include <module-rtp/sap.h>
 
+#ifdef __FreeBSD__
+#define ifr_ifindex ifr_index
+#endif
+
 /** \page page_module_rtp_sap PipeWire Module: Announce and create RTP streams
  *
  * The `rtp-sap` module announces RTP streams that match the rules with the
diff --git a/src/modules/module-rtp-session.c b/src/modules/module-rtp-session.c
index 9ea616419..ec6836e19 100644
--- a/src/modules/module-rtp-session.c
+++ b/src/modules/module-rtp-session.c
@@ -37,6 +37,10 @@
 #include <module-rtp/apple-midi.h>
 #include <module-rtp/stream.h>
 
+#ifdef __FreeBSD__
+#define ifr_ifindex ifr_index
+#endif
+
 /** \page page_module_rtp_session PipeWire Module: RTP session
  *
  * The `rtp-session` module creates a media session that is announced