diff --git a/termux-shared/src/main/java/com/termux/shared/packages/PackageUtils.java b/termux-shared/src/main/java/com/termux/shared/packages/PackageUtils.java
index 121fc0a0..cdba0fd9 100644
--- a/termux-shared/src/main/java/com/termux/shared/packages/PackageUtils.java
+++ b/termux-shared/src/main/java/com/termux/shared/packages/PackageUtils.java
@@ -8,6 +8,7 @@ import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
+import android.os.UserHandle;
 import android.os.UserManager;
 
 import androidx.annotation.NonNull;
@@ -409,16 +410,16 @@ public class PackageUtils {
 
 
     /**
-     * Get the serial number for the current user.
+     * Get the serial number for the user for the package associated with the {@code context}.
      *
-     * @param context The {@link Context} for operations.
+     * @param context The {@link Context} for the package.
      * @return Returns the serial number. This will be {@code null} if failed to get it.
      */
     @Nullable
-    public static Long getSerialNumberForCurrentUser(@NonNull Context context) {
+    public static Long getUserIdForPackage(@NonNull Context context) {
         UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
         if (userManager == null) return null;
-        return userManager.getSerialNumberForUser(android.os.Process.myUserHandle());
+        return userManager.getSerialNumberForUser(UserHandle.getUserHandleForUid(getUidForPackage(context)));
     }
 
     /**
@@ -429,7 +430,7 @@ public class PackageUtils {
      * @return Returns {@code true} if the current user is the primary user, otherwise [@code false}.
      */
     public static boolean isCurrentUserThePrimaryUser(@NonNull Context context) {
-        Long userId = getSerialNumberForCurrentUser(context);
+        Long userId = getUserIdForPackage(context);
         return userId != null && userId == 0;
     }
 
diff --git a/termux-shared/src/main/java/com/termux/shared/termux/AndroidUtils.java b/termux-shared/src/main/java/com/termux/shared/termux/AndroidUtils.java
index b248fa4d..4a5dd59d 100644
--- a/termux-shared/src/main/java/com/termux/shared/termux/AndroidUtils.java
+++ b/termux-shared/src/main/java/com/termux/shared/termux/AndroidUtils.java
@@ -49,7 +49,7 @@ public class AndroidUtils {
             !filesDir.equals("/data/data/" + context.getPackageName() + "/files"))
             AndroidUtils.appendPropertyToMarkdown(markdownString,"FILES_DIR", filesDir);
 
-        Long userId = PackageUtils.getSerialNumberForCurrentUser(context);
+        Long userId = PackageUtils.getUserIdForPackage(context);
         if (userId == null || userId != 0)
             AndroidUtils.appendPropertyToMarkdown(markdownString,"USER_ID", userId);