diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc
index ef146b193c..ee6c2eb872 100644
--- a/tcg/mips/tcg-target.c.inc
+++ b/tcg/mips/tcg-target.c.inc
@@ -2183,7 +2183,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
 }
 
 static const int tcg_target_callee_save_regs[] = {
-    TCG_REG_S0,       /* used for the global env (TCG_AREG0) */
+    TCG_REG_S0,
     TCG_REG_S1,
     TCG_REG_S2,
     TCG_REG_S3,
@@ -2191,7 +2191,7 @@ static const int tcg_target_callee_save_regs[] = {
     TCG_REG_S5,
     TCG_REG_S6,
     TCG_REG_S7,
-    TCG_REG_S8,
+    TCG_REG_S8,       /* used for the global env (TCG_AREG0) */
     TCG_REG_RA,       /* should be last for ABI compliance */
 };
 
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index 7277a117ef..46b63e59cc 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -76,7 +76,7 @@ typedef enum {
     TCG_REG_RA,
 
     TCG_REG_CALL_STACK = TCG_REG_SP,
-    TCG_AREG0 = TCG_REG_S0,
+    TCG_AREG0 = TCG_REG_S8,
 } TCGReg;
 
 /* used for function call generation */