diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index cae6385..777c4ac 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1454,7 +1454,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         break;
 
     case INDEX_op_ext8s_i32:
-#ifdef USE_ARMV7_INSTRUCTIONS
+#ifdef USE_ARMV6_INSTRUCTIONS
         /* sxtb */
         tcg_out32(s, 0xe6af0070 | (args[0] << 12) | args[1]);
 #else
@@ -1465,7 +1465,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
 #endif
         break;
     case INDEX_op_ext16s_i32:
-#ifdef USE_ARMV7_INSTRUCTIONS
+#ifdef USE_ARMV6_INSTRUCTIONS
         /* sxth */
         tcg_out32(s, 0xe6bf0070 | (args[0] << 12) | args[1]);
 #else