diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c
index 902fe60846..93fa2737e6 100644
--- a/qobject/json-lexer.c
+++ b/qobject/json-lexer.c
@@ -177,8 +177,7 @@ static const uint8_t json_lexer[][256] =  {
         ['u'] = IN_DQ_UCODE0,
     },
     [IN_DQ_STRING] = {
-        [0x20 ... 0xBF] = IN_DQ_STRING,
-        [0xC2 ... 0xF4] = IN_DQ_STRING,
+        [0x20 ... 0xFD] = IN_DQ_STRING,
         ['\\'] = IN_DQ_STRING_ESCAPE,
         ['"'] = JSON_STRING,
     },
@@ -217,8 +216,7 @@ static const uint8_t json_lexer[][256] =  {
         ['u'] = IN_SQ_UCODE0,
     },
     [IN_SQ_STRING] = {
-        [0x20 ... 0xBF] = IN_SQ_STRING,
-        [0xC2 ... 0xF4] = IN_SQ_STRING,
+        [0x20 ... 0xFD] = IN_SQ_STRING,
         ['\\'] = IN_SQ_STRING_ESCAPE,
         ['\''] = JSON_STRING,
     },