1 files changed, 3 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index 908a78f2c8a..e5f1ae82cd5 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3987,12 +3987,14 @@ decode_coding_sjis (coding)
                   SJIS_TO_JIS (c);
                   charset = charset_kanji;
                 }
-              else
+              else if (c > 0xA0)
                 {
                   /* SJIS -> JISX0201-Kana */
                   c &= 0x7F;
                   charset = charset_kana;
                 }
+              else
+                goto invalid_code;
             }
           if (charset->id != charset_ascii
               && last_id != charset->id)