diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index 60f8ca6d29..07439c8017 100644
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -165,7 +165,7 @@ static switch_bool_t write_displace_callback(switch_media_bug_t *bug, void *user
 			len = rframe->samples;
 
 			if (dh->mux) {
-				int16_t buf[1024];
+				int16_t buf[SWITCH_RECOMMENDED_BUFFER_SIZE / 2];
 				int16_t *fp = rframe->data;
 				uint32_t x;
 
@@ -237,7 +237,7 @@ static switch_bool_t read_displace_callback(switch_media_bug_t *bug, void *user_
 			len = rframe->samples;
 
 			if (dh->mux) {
-				int16_t buf[1024];
+				int16_t buf[SWITCH_RECOMMENDED_BUFFER_SIZE / 2];
 				int16_t *fp = rframe->data;
 				uint32_t x;
 
diff --git a/src/switch_ivr_play_say.c b/src/switch_ivr_play_say.c
index 93bd1f5cdd..c50d572e9c 100644
--- a/src/switch_ivr_play_say.c
+++ b/src/switch_ivr_play_say.c
@@ -577,7 +577,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_gentones(switch_core_session_t *sessi
 	switch_frame_t *read_frame = NULL;
 	switch_codec_t *read_codec = NULL, write_codec = { 0 };
 	switch_frame_t write_frame = { 0 };
-	switch_byte_t data[1024];
+	switch_byte_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
 	switch_channel_t *channel = switch_core_session_get_channel(session);
 
 	switch_channel_pre_answer(channel);