diff -ur systemd-187_orig/src/udev/udev-event.c systemd-187/src/udev/udev-event.c
--- systemd-187_orig/src/udev/udev-event.c	2012-07-16 17:16:29.000000000 +0700
+++ systemd-187/src/udev/udev-event.c	2012-08-08 15:17:25.129826346 +0700
@@ -689,6 +689,8 @@
         /* allow programs in /usr/lib/udev/ to be called without the path */
         if (argv[0][0] != '/') {
                 util_strscpyl(program, sizeof(program), UDEVLIBEXECDIR "/", argv[0], NULL);
+                if(access(program, X_OK))
+                        util_strscpyl(program, sizeof(program), "/lib/udev/", argv[0], NULL);
                 argv[0] = program;
         }