diff --git a/server/tests/test-websocket.c b/server/tests/test-websocket.c
index 432aeee5..2115411e 100644
--- a/server/tests/test-websocket.c
+++ b/server/tests/test-websocket.c
@@ -200,7 +200,7 @@ handle_client(int new_sock)
     }
 
     int enable = 1;
-    setsockopt(new_sock, SOL_TCP, TCP_NODELAY, (const void *) &enable, sizeof(enable));
+    setsockopt(new_sock, IPPROTO_TCP, TCP_NODELAY, (const void *) &enable, sizeof(enable));
 
     // wait header
     wait_for(new_sock, POLLIN);