diff --git a/app/demo_adapter.py b/app/demo_adapter.py
index fd112968..345999d3 100644
--- a/app/demo_adapter.py
+++ b/app/demo_adapter.py
@@ -806,7 +806,12 @@ async def view(self: "DemoAdapter", resource: status_models.Resource, user: acco
         result = self._run(f"tail -c +{offset + 1} {rp} | head -c {size}", shell=True)
         content = result.stdout
         return filesystem_models.GetViewFileResponse(
-            output=content,
+            output=filesystem_models.FileContent(
+                content=content,
+                content_type=filesystem_models.ContentUnit.bytes,
+                start_position=offset,
+                end_position=offset + len(content)
+            ),
         )
 
     async def checksum(self: "DemoAdapter", resource: status_models.Resource, user: account_models.User, path: str) -> filesystem_models.GetFileChecksumResponse:
diff --git a/app/routers/filesystem/models.py b/app/routers/filesystem/models.py
index 59411351..fc36ebca 100644
--- a/app/routers/filesystem/models.py
+++ b/app/routers/filesystem/models.py
@@ -184,7 +184,7 @@ class PostFileSymlinkResponse(BaseModel):
 
 class GetViewFileResponse(BaseModel):
     """Represents the response for viewing a file."""
-    output: str|None = Field(default=None, description="File content")
+    output: FileContent|None = Field(default=None, description="File content")
 
 
 class PostMkdirResponse(BaseModel):