diff --git a/ble/att.c b/ble/att.c
index 84d02170c..19c27a4a2 100644
--- a/ble/att.c
+++ b/ble/att.c
@@ -208,7 +208,7 @@ void att_dump_attributes(void){
         log_info("Handle: 0x%04x, flags: 0x%04x, uuid: ", it.handle, it.flags);
         if (it.flags & ATT_PROPERTY_UUID128){
             swap128(it.uuid, uuid128);
-            printUUID128(uuid128);
+            log_info(uuid128_to_str(uuid128));
         } else {
             log_info("%04x", READ_BT_16(it.uuid, 0));
         }
diff --git a/src/utils.c b/src/utils.c
index 1e04255aa..4b550f588 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -176,7 +176,7 @@ void log_key(const char * name, sm_key_t key){
     hexdump(key, 16);
 }
 
-static char uuid128_to_str_buffer[16+4+1];
+static char uuid128_to_str_buffer[32+4+1];
 char * uuid128_to_str(uint8_t * uuid){
     sprintf(uuid128_to_str_buffer, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
            uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7],