diff --git a/src/proxy.cpp b/src/proxy.cpp
index f64073ec..beeac2e2 100644
--- a/src/proxy.cpp
+++ b/src/proxy.cpp
@@ -21,9 +21,7 @@
 #include <stddef.h>
 #include "platform.hpp"
 #include "proxy.hpp"
-#include "socket_base.hpp"
 #include "likely.hpp"
-#include "err.hpp"
 
 #if defined ZMQ_FORCE_SELECT
 #define ZMQ_POLL_BASED_ON_SELECT
@@ -48,6 +46,11 @@
 #include <poll.h>
 #endif
 
+// These headers end up pulling in zmq.h somewhere in their include
+// dependency chain
+#include "socket_base.hpp"
+#include "err.hpp"
+
 // zmq.h must be included *after* poll.h for AIX to build properly
 #include "../include/zmq.h"