1 files changed, 1 insertions, 1 deletions

diff --git a/mailutils/mail.c b/mailutils/mail.c
index f5260d9db..199f64407 100644
--- a/mailutils/mail.c
+++ b/mailutils/mail.c
@@ -119,7 +119,7 @@ static char* FAST_FUNC parse_url(char *url, char **user, char **pass)
 void FAST_FUNC encode_base64(char *fname, const char *text, const char *eol)
 {
         enum {
-                SRC_BUF_SIZE = 45,  /* This *MUST* be a multiple of 3 */
+                SRC_BUF_SIZE = 57,  /* This *MUST* be a multiple of 3 */
                 DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
         };
 #define src_buf text