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-rw-r--r--channels/chan_vpb.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_vpb.cc b/channels/chan_vpb.cc
index f1ed39217..0f050a837 100644
--- a/channels/chan_vpb.cc
+++ b/channels/chan_vpb.cc
@@ -2508,7 +2508,7 @@ static struct ast_channel *vpb_request(const char *type, struct ast_format_cap *
if (!(ast_format_cap_iscompatible_format(cap, ast_format_slin))) {
struct ast_str *buf;
- buf = ast_str_create(256);
+ buf = ast_str_create(AST_FORMAT_CAP_NAMES_LEN);
if (!buf) {
return NULL;
}