diff --git a/hockeysdk/src/main/java/net/hockeyapp/android/UpdateManager.java b/hockeysdk/src/main/java/net/hockeyapp/android/UpdateManager.java
index 3cfa49575..33a7fa5ae 100644
--- a/hockeysdk/src/main/java/net/hockeyapp/android/UpdateManager.java
+++ b/hockeysdk/src/main/java/net/hockeyapp/android/UpdateManager.java
@@ -212,22 +212,26 @@ private static boolean checkExpiryDateForBackground(UpdateManagerListener listen
     /**
      * Returns true if the build was installed through a market.
      */
-    public static boolean installedFromMarket(WeakReference<? extends Context> weakContext) {
+    protected static boolean installedFromMarket(WeakReference<? extends Context> weakContext) {
         boolean result = false;
 
         Context context = weakContext.get();
         if (context != null) {
             try {
                 String installer = context.getPackageManager().getInstallerPackageName(context.getPackageName());
-
-                // if installer string is null or empty, it's installed via ADB
+                // if installer string is not null it might be installed by market
                 if (!TextUtils.isEmpty(installer)) {
-                    // on some devices (Xiaomi) the installer identifier will be "adb", which is not to be considered as a market installation
-                    result = !TextUtils.equals(installer, INSTALLER_ADB);
+                    result = true;
+
                     // on Android Nougat and up when installing an app through the package installer (which HockeyApp uses itself), the installer will be
                     // "com.google.android.packageinstaller" which is also not to be considered as a market installation
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                        result = !TextUtils.equals(installer, INSTALLER_PACKAGE_INSTALLER_NOUGAT);
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && TextUtils.equals(installer, INSTALLER_PACKAGE_INSTALLER_NOUGAT)) {
+                        result = false;
+                    }
+
+                    // on some devices (Xiaomi) the installer identifier will be "adb", which is not to be considered as a market installation
+                    if (TextUtils.equals(installer, INSTALLER_ADB)) {
+                        result = false;
                     }
                 }
 
diff --git a/hockeysdk/src/test/java/net/hockeyapp/android/UpdateManagerTest.java b/hockeysdk/src/test/java/net/hockeyapp/android/UpdateManagerTest.java
index 82f73f7fd..a71705523 100644
--- a/hockeysdk/src/test/java/net/hockeyapp/android/UpdateManagerTest.java
+++ b/hockeysdk/src/test/java/net/hockeyapp/android/UpdateManagerTest.java
@@ -35,6 +35,9 @@ public class UpdateManagerTest {
 
     @Before
     public void setUp() throws NoSuchFieldException, IllegalAccessException {
+        // Reset Build version code
+        Whitebox.setInternalState(Build.VERSION.class, "SDK_INT", Build.VERSION_CODES.BASE);
+
         mockContext = mock(Context.class);
         mockPackageManager = mock(PackageManager.class);
 
@@ -56,42 +59,57 @@ public Boolean answer(InvocationOnMock invocation) throws Throwable {
             }
         });
 
-
         when(mockContext.getPackageManager()).thenReturn(mockPackageManager);
 
         contextWeakReference = new WeakReference<>(mockContext);
     }
 
-
     @Test
     public void testInstalledViaADBDefault() {
         when(mockPackageManager.getInstallerPackageName(any(String.class))).thenReturn(null);
 
+        // Typically, the installer string for ADB is null
         assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
 
+        // or an empty string
         when(mockPackageManager.getInstallerPackageName(any(String.class))).thenReturn("");
+        assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
 
+        // Verify this also works on Android Nougat
+        Whitebox.setInternalState(Build.VERSION.class, "SDK_INT", Build.VERSION_CODES.N);
         assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
     }
 
     @Test
     public void testInstalledViaGooglePlay() {
+        // Set typical identifier for Google Play and check
         when(mockPackageManager.getInstallerPackageName(any(String.class))).thenReturn("com.google.play");
 
         assertTrue(UpdateManager.installedFromMarket(contextWeakReference));
+
+        Whitebox.setInternalState(Build.VERSION.class, "SDK_INT", Build.VERSION_CODES.N);
+        assertTrue(UpdateManager.installedFromMarket(contextWeakReference));
     }
 
     @Test
     public void testInstalledViaADBXiaomi() {
+        // On some devices, e.g. Xiaomi devices, launching via USB will return "adb" for the installer
         when(mockPackageManager.getInstallerPackageName(any(String.class))).thenReturn("adb");
 
         assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
+
+        Whitebox.setInternalState(Build.VERSION.class, "SDK_INT", Build.VERSION_CODES.N);
+        assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
     }
 
     @Test
     public void testInstalledViaPackageManagerNougat() {
+        // On Android Nougat, installing packages using HockeyApp (using the package manager) will list the following installer identifier
         when(mockPackageManager.getInstallerPackageName(any(String.class))).thenReturn("com.google.android.packageinstaller");
+        // When not on Android Nougat this is considered "store"
         assertTrue(UpdateManager.installedFromMarket(contextWeakReference));
+
+        // Test desired behavior on Android Nougat
         Whitebox.setInternalState(Build.VERSION.class, "SDK_INT", Build.VERSION_CODES.N);
         assertFalse(UpdateManager.installedFromMarket(contextWeakReference));
     }