diff --git a/exec.c b/exec.c
index ca767e2..9cc251f 100644
--- a/exec.c
+++ b/exec.c
@@ -362,6 +362,8 @@
     unsigned int h, n1;
     TranslationBlock *tb1, *tb2;
     
+    tb_invalidated_flag = 1;
+    
     /* remove the TB from the hash list */
     h = tb_hash_func(tb->pc);
     tb_remove(&tb_hash[h], tb,