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-rw-r--r--apps/app_voicemail.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 74bfd2c9a..79e8bf2ea 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -3842,8 +3842,8 @@ static int vm_forwardoptions(struct ast_channel *chan, struct ast_vm_user *vmu,
make_file(msgfile, sizeof(msgfile), curdir, curmsg);
strcpy(textfile, msgfile);
strcpy(backup, msgfile);
- strncat(textfile, ".txt", sizeof(textfile) - 1);
- strncat(backup, "-bak", sizeof(backup) - 1);
+ strncat(textfile, ".txt", sizeof(textfile) - strlen(textfile) - 1);
+ strncat(backup, "-bak", sizeof(backup) - strlen(backup) - 1);
if (!(msg_cfg = ast_config_load(textfile))) {
return -1;