diff --git a/ares/ares.h b/ares/ares.h
index 7ea70543fa..e2c7f4c051 100644
--- a/ares/ares.h
+++ b/ares/ares.h
@@ -51,8 +51,8 @@
 #  include <winsock2.h>
 #  include <ws2tcpip.h>
 #else
-  #include <netinet/in.h>
   #include <sys/socket.h>
+  #include <netinet/in.h>
 #endif
 
 #ifdef  __cplusplus
diff --git a/ares/ares_expand_name.c b/ares/ares_expand_name.c
index dc5b107533..8a9d822154 100644
--- a/ares/ares_expand_name.c
+++ b/ares/ares_expand_name.c
@@ -17,6 +17,9 @@
 
 #include "setup.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif
diff --git a/ares/ares_expand_string.c b/ares/ares_expand_string.c
index ead60a4071..f2d4f748a5 100644
--- a/ares/ares_expand_string.c
+++ b/ares/ares_expand_string.c
@@ -17,6 +17,9 @@
 
 #include "setup.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif
diff --git a/ares/ares_mkquery.c b/ares/ares_mkquery.c
index a9c9187f77..27ec1ee1b0 100644
--- a/ares/ares_mkquery.c
+++ b/ares/ares_mkquery.c
@@ -17,6 +17,9 @@
 
 #include "setup.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif
diff --git a/ares/ares_query.c b/ares/ares_query.c
index 14a0d66bca..0d1f036810 100644
--- a/ares/ares_query.c
+++ b/ares/ares_query.c
@@ -17,6 +17,9 @@
 
 #include "setup.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif
diff --git a/ares/ares_send.c b/ares/ares_send.c
index be5478df2d..54e4861852 100644
--- a/ares/ares_send.c
+++ b/ares/ares_send.c
@@ -17,6 +17,9 @@
 
 #include "setup.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif