diff --git a/Libraries/LibC/sys/socket.h b/Libraries/LibC/sys/socket.h
index bdcaf713e2..f14e1d7005 100644
--- a/Libraries/LibC/sys/socket.h
+++ b/Libraries/LibC/sys/socket.h
@@ -90,7 +90,7 @@ struct ucred {
 
 struct sockaddr_storage {
     union {
-        char data[sizeof(sockaddr_un)];
+        char data[sizeof(struct sockaddr_un)];
         void* alignment;
     };
 };