diff -up ./src/seat.c.path ./src/seat.c
--- ./src/seat.c.path	2013-10-30 22:41:46.000000000 +0200
+++ ./src/seat.c	2013-10-31 20:17:01.343422562 +0200
@@ -267,7 +267,7 @@ run_script (Seat *seat, DisplayServer *d
         process_set_env (script, "PATH", g_getenv ("PATH"));
     }
     else
-        process_set_env (script, "PATH", "/usr/local/bin:/usr/bin:/bin");
+        process_set_env (script, "PATH", "/usr/local/bin:/usr/bin");
 
     if (user)
     {
diff -up ./src/session-child.c.path ./src/session-child.c
--- ./src/session-child.c.path	2013-10-30 22:41:46.000000000 +0200
+++ ./src/session-child.c	2013-10-31 20:17:01.345422481 +0200
@@ -354,7 +354,7 @@ session_child_run (int argc, char **argv
         else
         {
             /* Set POSIX variables */
-            pam_putenv (pam_handle, "PATH=/usr/local/bin:/usr/bin:/bin");
+            pam_putenv (pam_handle, "PATH=/usr/local/bin:/usr/bin");
             pam_putenv (pam_handle, g_strdup_printf ("USER=%s", username));
             pam_putenv (pam_handle, g_strdup_printf ("LOGNAME=%s", username));
             pam_putenv (pam_handle, g_strdup_printf ("HOME=%s", user_get_home_directory (user)));