--- libev/ev++.h	2015/06/29 14:13:52	1.62
+++ libev/ev++.h	2017/12/01 06:37:30	1.63
@@ -175,7 +175,7 @@
 
     bool operator != (const EV_P) const throw ()
     {
-      return (*this == EV_A);
+      return ! (*this == EV_A);
     }
 
     operator struct ev_loop * () const throw ()