diff --git a/core/exec.c b/core/exec.c
index f7953d9..57a3ed9 100644
--- a/core/exec.c
+++ b/core/exec.c
@@ -2400,7 +2400,7 @@ static lai_api_error_t lai_exec_parse(int parse_mode, lai_state_t *state) {
             }
 
             // Pop all nested loops/conditions.
-            for (int i = 0; i < m; i++) {
+            for (int i = 0; i < (m + 1); i++) {
                 lai_stackitem_t *pop_item = lai_exec_peek_stack_back(state);
                 LAI_ENSURE(pop_item->kind == LAI_COND_STACKITEM
                            || pop_item->kind == LAI_LOOP_STACKITEM);