diff --git a/env_universal_common.cpp b/env_universal_common.cpp
index 49d26cdc1..f84f18ec5 100644
--- a/env_universal_common.cpp
+++ b/env_universal_common.cpp
@@ -14,6 +14,7 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/file.h>
+#include <sys/socket.h>
 #include <arpa/inet.h>
 
 #ifdef HAVE_SYS_SELECT_H