diff --git a/devel/caf/files/patch-libcaf__io_src_io_network_default__multiplexer.cpp b/devel/caf/files/patch-libcaf__io_src_io_network_default__multiplexer.cpp
new file mode 100644
index 000000000000..99027dab78ce
--- /dev/null
+++ b/devel/caf/files/patch-libcaf__io_src_io_network_default__multiplexer.cpp
@@ -0,0 +1,12 @@
+--- libcaf_io/src/io/network/default_multiplexer.cpp.orig	2020-04-05 00:30:36 UTC
++++ libcaf_io/src/io/network/default_multiplexer.cpp
+@@ -59,6 +59,9 @@
+ #  include <ws2ipdef.h>
+ #  include <ws2tcpip.h>
+ #else
++#  ifdef __FreeBSD__
++#    include <sys/types.h>
++#  endif
+ #  include <arpa/inet.h>
+ #  include <cerrno>
+ #  include <fcntl.h>
diff --git a/devel/caf/files/patch-libcaf__io_src_io_network_ip__endpoint.cpp b/devel/caf/files/patch-libcaf__io_src_io_network_ip__endpoint.cpp
new file mode 100644
index 000000000000..9fcb00a5024e
--- /dev/null
+++ b/devel/caf/files/patch-libcaf__io_src_io_network_ip__endpoint.cpp
@@ -0,0 +1,12 @@
+--- libcaf_io/src/io/network/ip_endpoint.cpp.orig	2020-04-05 00:36:43 UTC
++++ libcaf_io/src/io/network/ip_endpoint.cpp
+@@ -30,6 +30,9 @@
+ #  include <ws2tcpip.h>
+ #  include <ws2ipdef.h>
+ #else
++#  ifdef __FreeBSD__
++#    include <sys/types.h>
++#  endif
+ #  include <arpa/inet.h>
+ #  include <cerrno>
+ #  include <netinet/in.h>
diff --git a/devel/caf/files/patch-libcaf__io_src_io_network_native__socket.cpp b/devel/caf/files/patch-libcaf__io_src_io_network_native__socket.cpp
new file mode 100644
index 000000000000..83fa0da0fc13
--- /dev/null
+++ b/devel/caf/files/patch-libcaf__io_src_io_network_native__socket.cpp
@@ -0,0 +1,12 @@
+--- libcaf_io/src/io/network/native_socket.cpp.orig	2020-04-05 00:18:01 UTC
++++ libcaf_io/src/io/network/native_socket.cpp
+@@ -44,6 +44,9 @@
+ #  include <ws2ipdef.h>
+ #  include <ws2tcpip.h>
+ #else
++#  ifdef __FreeBSD__
++#    include <sys/types.h>
++#  endif
+ #  include <arpa/inet.h>
+ #  include <cerrno>
+ #  include <fcntl.h>