diff --git a/internal/platform/ble_v2_test.cc b/internal/platform/ble_v2_test.cc
index 9da17d90..d6786319 100644
--- a/internal/platform/ble_v2_test.cc
+++ b/internal/platform/ble_v2_test.cc
@@ -56,7 +56,7 @@ constexpr absl::string_view kServiceIDA{
 class BlePeripheralStub : public api::ble_v2::BlePeripheral {
  public:
   explicit BlePeripheralStub(absl::string_view mac_address) {
-    mac_address_ = mac_address;
+    mac_address_ = std::string(mac_address);
   }
 
   std::string GetAddress() const override { return mac_address_; }