diff --git a/www/firefox/files/patch-third__party_libwebrtc_rtc__base_ip__address.cc b/www/firefox/files/patch-third__party_libwebrtc_rtc__base_ip__address.cc
new file mode 100644
index 000000000000..5af9e7ec2d70
--- /dev/null
+++ b/www/firefox/files/patch-third__party_libwebrtc_rtc__base_ip__address.cc
@@ -0,0 +1,23 @@
+commit d1f5a45c1906e9f1e6a51f3b44c52d981bb3958c
+Author: Christoph Moench-Tegeder <cmt@burggraben.net>
+Date:   Wed Oct 12 19:57:20 2022 +0200
+
+    pull in sys/types.h for u_XXX typedefs on FreeBSD 12
+    
+    In file included from /wrkdirs/usr/ports/www/firefox/work/firefox-106.0/third_party/libwebrtc/rtc_base/ip_address.cc:20:
+    /usr/include/netinet/ip.h:53:2: error: unknown type name 'u_char'; did you mean 'char'?
+            u_char  ip_hl:4,                /* header length */
+
+diff --git third_party/libwebrtc/rtc_base/ip_address.cc third_party/libwebrtc/rtc_base/ip_address.cc
+index d544b611e149..ef9b742dac5f 100644
+--- third_party/libwebrtc/rtc_base/ip_address.cc
++++ third_party/libwebrtc/rtc_base/ip_address.cc
+@@ -11,6 +11,8 @@
+ #if defined(WEBRTC_POSIX)
+ #include <netinet/in.h>
+ #include <sys/socket.h>
++/* for u_char/u_short etc on FreeBSD 12 */
++#include <sys/types.h>
+ 
+ #include "absl/strings/string_view.h"
+ #ifdef OPENBSD