diff --git a/services/audiopolicy/tests/audiopolicymanager_tests.cpp b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
index bb00c48..33a2429 100644
--- a/services/audiopolicy/tests/audiopolicymanager_tests.cpp
+++ b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
@@ -966,10 +966,11 @@
 status_t AudioPolicyManagerTestDynamicPolicy::addPolicyMix(int mixType, int mixFlag,
         audio_devices_t deviceType, std::string mixAddress, const audio_config_t& audioConfig,
         const std::vector<PolicyMixTuple>& rules) {
-    Vector<AudioMixMatchCriterion> myMixMatchCriteria;
+    std::vector<AudioMixMatchCriterion> myMixMatchCriteria;
+    myMixMatchCriteria.reserve(rules.size());
 
     for(const auto &rule: rules) {
-        myMixMatchCriteria.add(AudioMixMatchCriterion(
+        myMixMatchCriteria.push_back(AudioMixMatchCriterion(
                 std::get<0>(rule), std::get<1>(rule), std::get<2>(rule)));
     }