diff --git a/src/nix/main.cc b/src/nix/main.cc
index 22f5e8c4c..1c9d909d8 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -15,6 +15,7 @@
 #include <sys/socket.h>
 #include <ifaddrs.h>
 #include <netdb.h>
+#include <netinet/in.h>
 
 extern std::string chrootHelperName;