1 files changed, 1 insertions, 1 deletions

diff --git a/src/alloc.c b/src/alloc.c
index ee4c52e53d3..df0ea1e5875 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1628,7 +1628,7 @@ Both LENGTH and INIT must be numbers.")
     }
   else
     {
-      unsigned char str[4];
+      unsigned char str[MAX_MULTIBYTE_LENGTH];
       int len = CHAR_STRING (c, str);
 
       nbytes = len * XINT (length);