diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c
index 984f745b01d..5f4705db926 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/tsi/ssl_transport_security.c
@@ -45,6 +45,7 @@
 #include <ws2tcpip.h>
 #else
 #include <arpa/inet.h>
+#include <sys/socket.h>
 #endif
 
 #include <grpc/support/alloc.h>