1 files changed, 1 insertions, 1 deletions

diff --git a/src/charset.c b/src/charset.c
index 93ad3e8b61f..10a3b274022 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -719,7 +719,7 @@ usage: (define-charset-internal ...)  */)
   if (! charset.code_linear_p)
     {
       charset.code_space_mask = (unsigned char *) xmalloc (256);
-      bzero (charset.code_space_mask, sizeof (charset.code_space_mask));
+      bzero (charset.code_space_mask, 256);
       for (i = 0; i < 4; i++)
         for (j = charset.code_space[i * 4]; j <= charset.code_space[i * 4 + 1];
              j++)