diff --git a/configure.ac b/configure.ac
index dcd45ea4d61..bae4fec72ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2732,6 +2732,13 @@ case $with_file_notification,$NOTIFY_OBJ in
        NOTIFY_LIBS=$KQUEUE_LIBS
        NOTIFY_OBJ=kqueue.o
        NOTIFY_SUMMARY="yes -lkqueue"
+    else
+       AC_SEARCH_LIBS(kqueue, [])
+       if test "$ac_cv_search_kqueue" != no; then
+         AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
+	 NOTIFY_OBJ=kqueue.o
+	 NOTIFY_SUMMARY="yes (kqueue)"
+       fi
     fi ;;
 esac
 
diff --git a/src/kqueue.c b/src/kqueue.c
index c2e859f8db9..d2f3d37e19c 100644
--- a/src/kqueue.c
+++ b/src/kqueue.c
@@ -163,7 +163,7 @@ will be reported only in case of the `rename' event.  */)
 
   /* Open file.  */
   file = ENCODE_FILE (file);
-  fd = emacs_open (SSDATA (file), O_NONBLOCK | O_BINARY | O_RDONLY, 0);
+  fd = emacs_open (SSDATA (file), O_NONBLOCK | O_RDONLY, 0);
   if (fd == -1)
     report_file_error ("File cannot be opened", file);