1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index 704d26f3f9b..44506476794 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -4185,7 +4185,7 @@ decode_coding_iso_2022 (struct coding_system *coding)
 
 #define ENCODE_ISO_CHARACTER(charset, c)                                   \
   do {                                                                     \
-    int code = ENCODE_CHAR ((charset), (c));                               \
+    unsigned code = ENCODE_CHAR ((charset), (c));                          \
                                                                            \
     if (CHARSET_DIMENSION (charset) == 1)                                  \
       ENCODE_ISO_CHARACTER_DIMENSION1 ((charset), code);                   \