diff --git a/library/src/main/java/dev/oxmc/androiddeviceinfo/AltDeviceNames.kt b/library/src/main/java/dev/oxmc/androiddeviceinfo/AltDeviceNames.kt
index 60a822b..963dba9 100644
--- a/library/src/main/java/dev/oxmc/androiddeviceinfo/AltDeviceNames.kt
+++ b/library/src/main/java/dev/oxmc/androiddeviceinfo/AltDeviceNames.kt
@@ -104,7 +104,9 @@ object AltDeviceNames {
     // Index built at class init: model (uppercase) → entries that contain that model.
     // O(1) first-level lookup; secondary filter is O(small) since model collisions are rare.
     private val byModel: Map<String, List<Entry>> = buildMap<String, MutableList<Entry>> {
-        for (entry in entries) {
+        // Must be qualified: inside buildMap the receiver's MutableMap.entries
+        // shadows this object's device list.
+        for (entry in AltDeviceNames.entries) {
             for (model in entry.models) {
                 getOrPut(model.uppercase()) { mutableListOf() }.add(entry)
             }