diff --git a/core/java/android/hardware/soundtrigger/SoundTrigger.java b/core/java/android/hardware/soundtrigger/SoundTrigger.java
index e63f57b..5593989 100644
--- a/core/java/android/hardware/soundtrigger/SoundTrigger.java
+++ b/core/java/android/hardware/soundtrigger/SoundTrigger.java
@@ -79,6 +79,11 @@
     }
 
     /**
+     * @hide
+     */
+    public static final String FAKE_HAL_ARCH = "injection";
+
+    /**
      * Status code used when the operation succeeded
      */
     public static final int STATUS_OK = 0;
diff --git a/core/java/android/service/voice/AlwaysOnHotwordDetector.java b/core/java/android/service/voice/AlwaysOnHotwordDetector.java
index b1dc686..2830fb7 100644
--- a/core/java/android/service/voice/AlwaysOnHotwordDetector.java
+++ b/core/java/android/service/voice/AlwaysOnHotwordDetector.java
@@ -805,11 +805,13 @@
             Identity identity = new Identity();
             identity.packageName = ActivityThread.currentOpPackageName();
             if (moduleProperties == null) {
-                List<SoundTrigger.ModuleProperties> modulePropList =
-                        mModelManagementService.listModuleProperties(identity);
-                if (modulePropList.size() > 0) {
-                    moduleProperties = modulePropList.get(0);
-                }
+                moduleProperties = mModelManagementService
+                        .listModuleProperties(identity)
+                        .stream()
+                        .filter(prop -> !prop.getSupportedModelArch()
+                                .equals(SoundTrigger.FAKE_HAL_ARCH))
+                        .findFirst()
+                        .orElse(null);
                 // (@atneya) intentionally let a null moduleProperties through until
                 // all CTS tests are fixed
             }
diff --git a/media/java/android/media/soundtrigger/SoundTriggerManager.java b/media/java/android/media/soundtrigger/SoundTriggerManager.java
index 0e9ef4c..ae8121a 100644
--- a/media/java/android/media/soundtrigger/SoundTriggerManager.java
+++ b/media/java/android/media/soundtrigger/SoundTriggerManager.java
@@ -94,12 +94,17 @@
             originatorIdentity.packageName = ActivityThread.currentOpPackageName();
 
             try (SafeCloseable ignored = ClearCallingIdentityContext.create()) {
-                List<ModuleProperties> modulePropertiesList = soundTriggerService
-                        .listModuleProperties(originatorIdentity);
-                if (!modulePropertiesList.isEmpty()) {
+                ModuleProperties moduleProperties = soundTriggerService
+                        .listModuleProperties(originatorIdentity)
+                        .stream()
+                        .filter(prop -> !prop.getSupportedModelArch()
+                                .equals(SoundTrigger.FAKE_HAL_ARCH))
+                        .findFirst()
+                        .orElse(null);
+                if (moduleProperties != null) {
                     mSoundTriggerSession = soundTriggerService.attachAsOriginator(
                                                 originatorIdentity,
-                                                modulePropertiesList.get(0),
+                                                moduleProperties,
                                                 mBinderToken);
                 } else {
                     mSoundTriggerSession = null;