diff --git a/fsspec/implementations/http.py b/fsspec/implementations/http.py
index 2cd9eb5e0..f85113893 100644
--- a/fsspec/implementations/http.py
+++ b/fsspec/implementations/http.py
@@ -307,7 +307,7 @@ async def gen_chunks():
             )
 
         meth = getattr(session, method)
-        async with meth(rpath, data=gen_chunks(), **kw) as resp:
+        async with meth(self.encode_url(rpath), data=gen_chunks(), **kw) as resp:
             self._raise_not_found_for_status(resp, rpath)
 
     async def _exists(self, path, **kwargs):