diff --git a/src/agent.c b/src/agent.c
index f5fcae06..ecf23925 100644
--- a/src/agent.c
+++ b/src/agent.c
@@ -46,6 +46,7 @@
 #include <unistd.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/auth.c b/src/auth.c
index e699f60a..29cbf719 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -27,6 +27,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/buffer.c b/src/buffer.c
index 27d2592d..e68f16f1 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -25,6 +25,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/channels.c b/src/channels.c
index 8879b0fe..cc1a43cc 100644
--- a/src/channels.c
+++ b/src/channels.c
@@ -30,6 +30,7 @@
 #include <time.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/client.c b/src/client.c
index ca827eba..d5c3921c 100644
--- a/src/client.c
+++ b/src/client.c
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/dh.c b/src/dh.c
index a3fbaed2..42cc6e6b 100644
--- a/src/dh.c
+++ b/src/dh.c
@@ -46,6 +46,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/known_hosts.c b/src/known_hosts.c
index f9036840..c217aed1 100644
--- a/src/known_hosts.c
+++ b/src/known_hosts.c
@@ -48,6 +48,7 @@
 #endif /* HAVE_LIBCRYPTO */
 
 #ifndef _WIN32
+# include <netinet/in.h>
 # include <arpa/inet.h>
 #endif
 
diff --git a/src/messages.c b/src/messages.c
index da714f3e..73c8f388 100644
--- a/src/messages.c
+++ b/src/messages.c
@@ -27,6 +27,7 @@
 #include <stdlib.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/packet.c b/src/packet.c
index f06967ae..6f27d424 100644
--- a/src/packet.c
+++ b/src/packet.c
@@ -29,6 +29,7 @@
 #include <errno.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/packet_crypt.c b/src/packet_crypt.c
index 9b6728d5..50b81893 100644
--- a/src/packet_crypt.c
+++ b/src/packet_crypt.c
@@ -27,6 +27,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/sftp.c b/src/sftp.c
index b895ff47..456f94a7 100644
--- a/src/sftp.c
+++ b/src/sftp.c
@@ -35,6 +35,7 @@
 #include <sys/stat.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #else
 #define S_IFSOCK 0140000
diff --git a/src/sftpserver.c b/src/sftpserver.c
index 36e8dcae..d698f8c9 100644
--- a/src/sftpserver.c
+++ b/src/sftpserver.c
@@ -26,6 +26,7 @@
 #include <stdio.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif
 
diff --git a/src/string.c b/src/string.c
index c2ee2978..a465d36d 100644
--- a/src/string.c
+++ b/src/string.c
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #ifndef _WIN32
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #endif