diff --git a/app/src/ble.c b/app/src/ble.c
index 3ed735a18dd..7e1ae7d4949 100644
--- a/app/src/ble.c
+++ b/app/src/ble.c
@@ -98,7 +98,7 @@ bool zmk_ble_active_profile_is_open(void) {
 }
 
 void set_profile_address(uint8_t index, const bt_addr_le_t *addr) {
-    char setting_name[15];
+    char setting_name[17];
     char addr_str[BT_ADDR_LE_STR_LEN];
 
     bt_addr_le_to_str(addr, addr_str, sizeof(addr_str));