diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index c24304b21..ab6fb6e91 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -588,8 +588,8 @@ class fhandler_socket: public fhandler_base
   int getsockname (struct sockaddr *name, int *namelen);
   int getpeername (struct sockaddr *name, int *namelen);
   int getpeereid (pid_t *pid, uid_t *euid, gid_t *egid);
-  socketpair (int af, int type, int protocol, int flags,
-	      fhandler_socket *fh_out);
+  int socketpair (int af, int type, int protocol, int flags,
+		  fhandler_socket *fh_out);
 
   int open (int flags, mode_t mode = 0);
   void __reg3 read (void *ptr, size_t& len);