diff --git a/packages/cli/src/ui/components/views/ExtensionsList.tsx b/packages/cli/src/ui/components/views/ExtensionsList.tsx
index e1ddf270f3..b37648d78c 100644
--- a/packages/cli/src/ui/components/views/ExtensionsList.tsx
+++ b/packages/cli/src/ui/components/views/ExtensionsList.tsx
@@ -8,7 +8,7 @@ import type React from 'react';
 import { Box, Text } from 'ink';
 import { useUIState } from '../../contexts/UIStateContext.js';
 import { ExtensionUpdateState } from '../../state/extensions.js';
-import type { GeminiCLIExtension } from '@google/gemini-cli-core';
+import { debugLogger, type GeminiCLIExtension } from '@google/gemini-cli-core';
 
 interface ExtensionsList {
   extensions: readonly GeminiCLIExtension[];
@@ -50,8 +50,10 @@ export const ExtensionsList: React.FC<ExtensionsList> = ({ extensions }) => {
             case ExtensionUpdateState.NOT_UPDATABLE:
               stateColor = 'green';
               break;
+            case undefined:
+              break;
             default:
-              console.error(`Unhandled ExtensionUpdateState ${state}`);
+              debugLogger.warn(`Unhandled ExtensionUpdateState ${state}`);
               break;
           }
 
diff --git a/packages/cli/src/ui/hooks/useExtensionUpdates.ts b/packages/cli/src/ui/hooks/useExtensionUpdates.ts
index a4e9e2598e..3bad4f771b 100644
--- a/packages/cli/src/ui/hooks/useExtensionUpdates.ts
+++ b/packages/cli/src/ui/hooks/useExtensionUpdates.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type { GeminiCLIExtension } from '@google/gemini-cli-core';
+import { debugLogger, type GeminiCLIExtension } from '@google/gemini-cli-core';
 import { getErrorMessage } from '../../utils/errors.js';
 import {
   ExtensionUpdateState,
@@ -204,7 +204,7 @@ export const useExtensionUpdates = (
           try {
             callback(nonNullResults);
           } catch (e) {
-            console.error(getErrorMessage(e));
+            debugLogger.warn(getErrorMessage(e));
           }
         });
       });