diff --git a/examples/all_device_types_app/main/mock_delegates/mock_chime_delegate.cpp b/examples/all_device_types_app/main/mock_delegates/mock_chime_delegate.cpp
index b571da94f..3784066a5 100644
--- a/examples/all_device_types_app/main/mock_delegates/mock_chime_delegate.cpp
+++ b/examples/all_device_types_app/main/mock_delegates/mock_chime_delegate.cpp
@@ -21,14 +21,14 @@ CHIP_ERROR MockChimeDelegate::GetChimeSoundByIndex(uint8_t chimeIndex, uint8_t
 {
     // Implement your own logic here.
     ESP_LOGE(LOG_TAG, "%s is not implemented", __func__);
-    return CHIP_NO_ERROR;
+    return CHIP_ERROR_PROVIDER_LIST_EXHAUSTED;
 }
 
 CHIP_ERROR MockChimeDelegate::GetChimeIDByIndex(uint8_t chimeIndex, uint8_t  &chimeID)
 {
     // Implement your own logic here.
     ESP_LOGE(LOG_TAG, "%s is not implemented", __func__);
-    return CHIP_NO_ERROR;
+    return CHIP_ERROR_PROVIDER_LIST_EXHAUSTED;
 }
 
 Protocols::InteractionModel::Status MockChimeDelegate::PlayChimeSound()