diff --git a/network_core.h b/network_core.h
index 7a9dd4e420..9fc0798f7e 100644
--- a/network_core.h
+++ b/network_core.h
@@ -11,10 +11,13 @@
 
 #ifdef ENABLE_NETWORK
 
-#if defined(__APPLE__) && (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_2)
+#if defined(__APPLE__)
+#include <AvailabilityMacros.h>
+#if (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_2)
 	// OSX 10.2 don't have socklen_t defined, so we will define it here
 	typedef int socklen_t;
 #endif
+#endif
 
 // Windows stuff
 #if defined(WIN32) || defined(WIN64)