1 files changed, 5 insertions, 4 deletions

diff --git a/src/linda.c b/src/linda.c
index ee60ebc..4d1fa9f 100644
--- a/src/linda.c
+++ b/src/linda.c
@@ -31,6 +31,7 @@ THE SOFTWARE.
 */
 
 #include <stdlib.h>
+#include <assert.h>
 
 #include "threading.h"
 #include "compat.h"
@@ -171,7 +172,7 @@ LUAG_FUNC( linda_send)
                 Keeper* K = which_keeper( linda->U->keepers, LINDA_KEEPER_HASHSEED( linda));
                 lua_State* KL = K ? K->L : NULL; // need to do this for 'STACK_CHECK'
                 if( KL == NULL) return 0;
-                STACK_CHECK( KL);
+                STACK_CHECK( KL, 0);
                 for( ;;)
                 {
                         if( s != NULL)
@@ -832,7 +833,7 @@ static void* linda_id( lua_State* L, DeepOp op_)
                 case eDO_metatable:
                 {
 
-                        STACK_CHECK( L);
+                        STACK_CHECK( L, 0);
                         lua_newtable( L);
                         // metatable is its own index
                         lua_pushvalue( L, -1);
@@ -892,10 +893,10 @@ static void* linda_id( lua_State* L, DeepOp op_)
 
                         // some constants
                         lua_pushliteral( L, BATCH_SENTINEL);
-                        lua_setfield(L, -2, "batched");
+                        lua_setfield( L, -2, "batched");
 
                         push_unique_key( L, NIL_SENTINEL);
-                        lua_setfield(L, -2, "null");
+                        lua_setfield( L, -2, "null");
 
                         STACK_END( L, 1);
                         return NULL;