[Minor] Fix stack index

diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index a6b32b089e68b58c40d833cadf856126b2ae9077..5a6be50f0c8ea13c0688752bf58d0c08578a487a 100644 (file)
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -1610,7 +1610,7 @@ lua_task_set_pre_result (lua_State * L)
                }
 
                if (lua_type (L, 6) == LUA_TNUMBER) {
-                       priority = lua_tonumber (L, 5);
+                       priority = lua_tonumber (L, 6);
                }
 
                if (action < METRIC_ACTION_MAX && action >= METRIC_ACTION_REJECT) {