diff --git a/src/Aspire.Hosting/ApplicationModel/CustomResourceSnapshot.cs b/src/Aspire.Hosting/ApplicationModel/CustomResourceSnapshot.cs
index 8b5ed22cd3c..7e40b2e8b2f 100644
--- a/src/Aspire.Hosting/ApplicationModel/CustomResourceSnapshot.cs
+++ b/src/Aspire.Hosting/ApplicationModel/CustomResourceSnapshot.cs
@@ -353,7 +353,7 @@ public static class KnownResourceStateStyles
     /// <summary>
     /// The warn state. Useful for showing warnings.
     /// </summary>
-    public static readonly string Warn = "warn";
+    public static readonly string Warn = "warning";
 }
 
 /// <summary>