diff --git a/polyp/socket-client.c b/polyp/socket-client.c
index a55fd4ba3..58bc7e809 100644
--- a/polyp/socket-client.c
+++ b/polyp/socket-client.c
@@ -31,6 +31,7 @@
 #include <string.h>
 #include <assert.h>
 #include <stdlib.h>
+#include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
diff --git a/polyp/socket-client.h b/polyp/socket-client.h
index 9c3e0b37b..b8c73ed87 100644
--- a/polyp/socket-client.h
+++ b/polyp/socket-client.h
@@ -23,11 +23,12 @@
 ***/
 
 #include <inttypes.h>
-#include <sys/socket.h>
 
 #include "mainloop-api.h"
 #include "iochannel.h"
 
+struct sockaddr;
+
 struct pa_socket_client;
 
 struct pa_socket_client* pa_socket_client_new_ipv4(struct pa_mainloop_api *m, uint32_t address, uint16_t port);