diff --git a/src/classic/avdtp.c b/src/classic/avdtp.c
index 0d3265ba0..9c930221b 100644
--- a/src/classic/avdtp.c
+++ b/src/classic/avdtp.c
@@ -54,7 +54,7 @@
 #include "classic/sdp_util.h"
 
 static int record_id = -1;
-static uint8_t   attribute_value[30];
+static uint8_t   attribute_value[45];
 static const unsigned int attribute_value_buffer_size = sizeof(attribute_value);
 
 // typedef struct {
diff --git a/src/classic/avrcp.c b/src/classic/avrcp.c
index f902d6a12..f11a25a51 100644
--- a/src/classic/avrcp.c
+++ b/src/classic/avrcp.c
@@ -60,7 +60,7 @@ static const char * default_avrcp_target_service_provider_name = "BTstack AVRCP
 static uint16_t  avrcp_cid_counter = 0;
 
 static avrcp_context_t * sdp_query_context;
-static uint8_t   attribute_value[30];
+static uint8_t   attribute_value[45];
 static const unsigned int attribute_value_buffer_size = sizeof(attribute_value);
 
 static btstack_linked_list_t connections;