1 files changed, 3 insertions, 3 deletions
diff --git a/json.c b/json.c
index 3cbf46e..948971a 100644
--- a/json.c
+++ b/json.c
@@ -911,12 +911,12 @@ encode_string(StringInfo out, const char *string, size_t length, char quote,
 					if (c < 0x1F || (c >= 0x80 && escape_unicode))
 					{
 						/* Encode using \u.... */
-						unsigned int uc,
-									lc;
+						pg_wchar	uc;
+						unsigned int lc;
 						char		txt[13];
 
 						s--;
-						utf8_decode_char_nocheck(&s, &uc);
+						uc = utf8_decode_char(&s);
 
 						txt[0] = '\\';
 						txt[1] = 'u';