diff --git a/src/afs/sysincludes.h b/src/afs/sysincludes.h
index 3e3a172519..10343b8679 100644
--- a/src/afs/sysincludes.h
+++ b/src/afs/sysincludes.h
@@ -202,6 +202,12 @@ typedef unsigned short etap_event_t;
 # include "h/systm.h"
 # include "h/time.h"
 
+# ifdef AFS_FBSD_ENV
+#  include <sys/socket.h>
+#  include <net/if.h>
+#  include <net/if_var.h>
+# endif
+
 # ifdef	AFS_AIX_ENV
 #  ifdef AFS_AIX41_ENV
 #   include "sys/statfs.h"
diff --git a/src/rx/rx_kcommon.h b/src/rx/rx_kcommon.h
index 9b04123856..92752dbab4 100644
--- a/src/rx/rx_kcommon.h
+++ b/src/rx/rx_kcommon.h
@@ -124,6 +124,11 @@ typedef unsigned short etap_event_t;
 #include "h/file.h"
 #endif
 #include "net/if.h"
+# ifdef AFS_FBSD_ENV
+#  include <sys/socket.h>
+#  include <net/if.h>
+#  include <net/if_var.h>
+# endif
 #endif
 #if !defined(AFS_HPUX110_ENV) && !defined(AFS_LINUX22_ENV) && !defined(AFS_DARWIN_ENV)
 #include "netinet/in_var.h"