diff --git a/src/LanguageServer/Protocol/Protocol/SemanticTokens/SemanticTokensRequestsFullSetting.cs b/src/LanguageServer/Protocol/Protocol/SemanticTokens/SemanticTokensRequestsFullSetting.cs
index ce6ad7de1e5d6..a80f48d34fd5b 100644
--- a/src/LanguageServer/Protocol/Protocol/SemanticTokens/SemanticTokensRequestsFullSetting.cs
+++ b/src/LanguageServer/Protocol/Protocol/SemanticTokens/SemanticTokensRequestsFullSetting.cs
@@ -19,7 +19,7 @@ internal class SemanticTokensRequestsFullSetting
         /// <c>textDocument/semanticTokens/full/delta</c> request if the server
         /// provides a corresponding handler.
         /// </summary>
-        [JsonPropertyName("range")]
+        [JsonPropertyName("delta")]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
         public bool Delta { get; set; }
     }