1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index acdb92214c2..8890eb188ce 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -5160,7 +5160,7 @@ decode_coding_charset (coding)
       code = c;
 
       val = AREF (valids, c);
-      if (NILP (val))
+      if (! INTEGERP (val) && ! CONSP (val))
         goto invalid_code;
       if (INTEGERP (val))
         {