diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index 8e02e7dfa7..9131935f87 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -230,14 +230,14 @@ std::unique_ptr<Configuration> getPrimaryConfiguration() {
 
         AudioPort primaryOutMix = createPort(c.nextPortId++, "primary output",
                                              makeBitPositionFlagMask(AudioOutputFlags::PRIMARY),
-                                             false, createPortMixExt(1, 1));
+                                             false, createPortMixExt(0, 0));
         primaryOutMix.profiles.insert(primaryOutMix.profiles.begin(),
                                       standardPcmAudioProfiles.begin(),
                                       standardPcmAudioProfiles.end());
         c.ports.push_back(primaryOutMix);
 
         AudioPort primaryInMix =
-                createPort(c.nextPortId++, "primary input", 0, true, createPortMixExt(1, 1));
+                createPort(c.nextPortId++, "primary input", 0, true, createPortMixExt(0, 0));
         primaryInMix.profiles.push_back(
                 createProfile(PcmType::INT_16_BIT,
                               {AudioChannelLayout::LAYOUT_MONO, AudioChannelLayout::LAYOUT_STEREO},
diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index 68e7151191..8a8998e10c 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -1379,7 +1379,7 @@ TEST_P(AudioCoreModule, CheckMixPorts) {
                     << "At least two mix ports have PRIMARY flag set: " << primaryMixPort.value()
                     << " and " << port.id;
             primaryMixPort = port.id;
-            EXPECT_EQ(1, mixPort.maxOpenStreamCount)
+            EXPECT_GE(mixPort.maxOpenStreamCount, 0)
                     << "Primary mix port " << port.id << " can not have maxOpenStreamCount "
                     << mixPort.maxOpenStreamCount;
         }