diff --git a/src/agent/index.ts b/src/agent/index.ts
index 7de6c97..b50f840 100644
--- a/src/agent/index.ts
+++ b/src/agent/index.ts
@@ -67,7 +67,7 @@ export class OrchestrationAgent {
             }
         } catch (err) {
             if (err instanceof vscode.LanguageModelError) {
-                stream.markdown(`Error: ${String(err)}`);
+                stream.markdown(`Error: ${err.message}`);
             } else {
                 throw err;
             }
diff --git a/src/webview/webviewProvider.ts b/src/webview/webviewProvider.ts
index 71c6098..16c3ff0 100644
--- a/src/webview/webviewProvider.ts
+++ b/src/webview/webviewProvider.ts
@@ -1307,7 +1307,7 @@ export class AgentInteractionProvider implements vscode.WebviewViewProvider {
             this._handleGetSettings();
         } catch (err) {
             console.error('[Seamless Agent] Error updating setting:', err);
-            vscode.window.showErrorMessage(`Failed to update setting: ${err instanceof Error ? String(err) : 'Unknown error'}`);
+            vscode.window.showErrorMessage(`Failed to update setting: ${err instanceof Error ? err.message : 'Unknown error'}`);
         }
     }