--- libev/ev_port.c	2011/01/10 13:53:49	1.23
+++ libev/ev_port.c	2011/01/10 13:58:05	1.24
@@ -143,7 +143,7 @@
   if ((backend_fd = port_create ()) < 0)
     return 0;
 
-  assert (("libev: PORT_SOURCE_FD must not be zero"), PORT_SOURCE_FD);
+  assert (("libev: PORT_SOURCE_FD must not be zero", PORT_SOURCE_FD));
 
   fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */