diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index 69e49c9f58..63d27f10e7 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -2499,7 +2499,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
     return NULL;
 }
 
-static int tcg_target_callee_save_regs[] = {
+static const int tcg_target_callee_save_regs[] = {
 #if TCG_TARGET_REG_BITS == 64
     TCG_REG_RBP,
     TCG_REG_RBX,