1 files changed, 4 insertions, 2 deletions

diff --git a/src/lanes.c b/src/lanes.c
index f2e3065..037e44f 100644
--- a/src/lanes.c
+++ b/src/lanes.c
@@ -733,7 +733,10 @@ static int selfdestruct_gc( lua_State* L)
         // necessary so that calling free_deep_prelude doesn't crash because linda_id expects a linda lightuserdata at absolute slot 1
         lua_settop( L, 0);
         // no need to mutex-protect this as all threads in the universe are gone at that point
-        -- U->timer_deep->refcount; // should be 0 now
+        if( U->timer_deep != NULL) // test ins case some early internal error prevented Lanes from creating the deep timer
+        {
+                -- U->timer_deep->refcount; // should be 0 now
+        }
         free_deep_prelude( L, (DeepPrelude*) U->timer_deep);
         U->timer_deep = NULL;
 
@@ -2162,7 +2165,6 @@ LUAG_FUNC( configure)
 
                 // Proxy userdata contents is only a 'DEEP_PRELUDE*' pointer
                 U->timer_deep = *(DeepPrelude**) lua_touserdata( L, -1);
-                ASSERT_L( U->timer_deep && (U->timer_deep->refcount == 1) && U->timer_deep->deep && U->timer_deep->idfunc == linda_id);
                 // increment refcount that this linda remains alive as long as the universe is.
                 ++ U->timer_deep->refcount;
                 lua_pop( L, 1);                                                                    // settings