diff --git a/src/Dapr.Extensions.Configuration/DaprConfigurationStoreProvider.cs b/src/Dapr.Extensions.Configuration/DaprConfigurationStoreProvider.cs
index 401eb1d1c..d92867c84 100644
--- a/src/Dapr.Extensions.Configuration/DaprConfigurationStoreProvider.cs
+++ b/src/Dapr.Extensions.Configuration/DaprConfigurationStoreProvider.cs
@@ -90,7 +90,7 @@ private async Task LoadAsync()
                             var subscribeConfigurationResponse = await daprClient.SubscribeConfiguration(store, keys, metadata, cts.Token);
                             await foreach (var items in subscribeConfigurationResponse.Source.WithCancellation(cts.Token))
                             {
-                                var data = new Dictionary<string, string>(Data);
+                                var data = new Dictionary<string, string>(Data, StringComparer.OrdinalIgnoreCase);
                                 foreach (var item in items)
                                 {
                                     id = subscribeConfigurationResponse.Id;