diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index b3bfe6505973025ff26a6ee27ac8b86f57967200..a7c1d4e3f2da52a8b78b46f633de1dc3700086da 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -139,7 +139,7 @@ TCGContext tcg_ctx;
 bool parallel_cpus;
 
 /* translation block context */
-__thread int have_tb_lock;
+static __thread int have_tb_lock;
 
 static void page_table_config_init(void)
 {