--- libev/ev++.h	2008/01/22 17:56:54	1.34
+++ libev/ev++.h	2008/01/22 17:57:17	1.35
@@ -377,7 +377,7 @@
     : loop_ref (ev_default_loop (flags))
 #endif
     {
-#ifndef EV_MULTIPLICITY
+#if !EV_MULTIPLICITY
     if (!ev_default_loop (flags))
       throw bad_loop ();
 #endif