diff --git a/crates/ruff_server/resources/test/fixtures/settings/global_only.json b/crates/ruff_server/resources/test/fixtures/settings/global_only.json
index 29c9956c77156..0ed3bf16d5526 100644
--- a/crates/ruff_server/resources/test/fixtures/settings/global_only.json
+++ b/crates/ruff_server/resources/test/fixtures/settings/global_only.json
@@ -1,15 +1,17 @@
 {
-    "codeAction": {
-        "disableRuleComment": {
-            "enable": false
-        }
-    },
-    "lint": {
-        "ignore": ["RUF001"],
-        "run": "onSave"
-    },
-    "fixAll": false,
-    "logLevel": "warn",
-    "lineLength": 80,
-    "exclude": ["third_party"]
+    "settings": {
+        "codeAction": {
+            "disableRuleComment": {
+                "enable": false
+            }
+        },
+        "lint": {
+            "ignore": ["RUF001"],
+            "run": "onSave"
+        },
+        "fixAll": false,
+        "logLevel": "warn",
+        "lineLength": 80,
+        "exclude": ["third_party"]
+    }
 }
diff --git a/crates/ruff_server/src/session/settings.rs b/crates/ruff_server/src/session/settings.rs
index bfbfeef5c42fe..c929d0a9ce9b9 100644
--- a/crates/ruff_server/src/session/settings.rs
+++ b/crates/ruff_server/src/session/settings.rs
@@ -130,7 +130,7 @@ enum InitializationOptions {
         workspace_settings: Vec<WorkspaceSettings>,
     },
     GlobalOnly {
-        #[serde(flatten)]
+        #[serde(default)]
         settings: ClientSettings,
     },
 }