diff --git a/supervisor/api/host.py b/supervisor/api/host.py
index 81739f0bb..5a67d3b45 100644
--- a/supervisor/api/host.py
+++ b/supervisor/api/host.py
@@ -258,6 +258,7 @@ class APIHost(CoreSysAttributes):
                     if not headers_returned:
                         if cursor:
                             response.headers["X-First-Cursor"] = cursor
+                        response.headers["X-Accel-Buffering"] = "no"
                         await response.prepare(request)
                         headers_returned = True
                     # When client closes the connection while reading busy logs, we
diff --git a/supervisor/api/ingress.py b/supervisor/api/ingress.py
index d9574ace3..a816e3cf7 100644
--- a/supervisor/api/ingress.py
+++ b/supervisor/api/ingress.py
@@ -277,6 +277,7 @@ class APIIngress(CoreSysAttributes):
             response.content_type = content_type
 
             try:
+                response.headers["X-Accel-Buffering"] = "no"
                 await response.prepare(request)
                 async for data in result.content.iter_chunked(4096):
                     await response.write(data)
diff --git a/supervisor/api/proxy.py b/supervisor/api/proxy.py
index 3e63c333d..26d532641 100644
--- a/supervisor/api/proxy.py
+++ b/supervisor/api/proxy.py
@@ -95,6 +95,7 @@ class APIProxy(CoreSysAttributes):
             response = web.StreamResponse()
             response.content_type = request.headers.get(CONTENT_TYPE)
             try:
+                response.headers["X-Accel-Buffering"] = "no"
                 await response.prepare(request)
                 async for data in client.content:
                     await response.write(data)