diff --git a/src/renderer/src/aiCore/chunk/AiSdkToChunkAdapter.ts b/src/renderer/src/aiCore/chunk/AiSdkToChunkAdapter.ts
index 8627b9f010..d5bc040551 100644
--- a/src/renderer/src/aiCore/chunk/AiSdkToChunkAdapter.ts
+++ b/src/renderer/src/aiCore/chunk/AiSdkToChunkAdapter.ts
@@ -9,7 +9,7 @@ import { Chunk, ChunkType } from '@renderer/types/chunk'
 import { ProviderSpecificError } from '@renderer/types/provider-specific-error'
 import { formatErrorMessage } from '@renderer/utils/error'
 import { convertLinks, flushLinkConverterBuffer } from '@renderer/utils/linkConverter'
-import type { TextStreamPart, ToolSet } from 'ai'
+import { AISDKError, type TextStreamPart, type ToolSet } from 'ai'
 
 import { ToolCallChunkHandler } from './handleToolCallChunk'
 
@@ -342,11 +342,14 @@ export class AiSdkToChunkAdapter {
       case 'error':
         this.onChunk({
           type: ChunkType.ERROR,
-          error: new ProviderSpecificError({
-            message: formatErrorMessage(chunk.error),
-            provider: 'unknown',
-            cause: chunk.error
-          })
+          error:
+            chunk.error instanceof AISDKError
+              ? chunk.error
+              : new ProviderSpecificError({
+                  message: formatErrorMessage(chunk.error),
+                  provider: 'unknown',
+                  cause: chunk.error
+                })
         })
         break