diff --git a/common/platform_sys.h b/common/platform_sys.h
index 723b7015c..ef69493cc 100644
--- a/common/platform_sys.h
+++ b/common/platform_sys.h
@@ -19,6 +19,7 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <unistd.h>
+#include <netdb.h>
 #endif
 
 #endif