diff --git a/src/Vervis/Handler/Inbox.hs b/src/Vervis/Handler/Inbox.hs
index e07ed54..f627327 100644
--- a/src/Vervis/Handler/Inbox.hs
+++ b/src/Vervis/Handler/Inbox.hs
@@ -40,7 +40,7 @@ import Data.Time.Clock (UTCTime, getCurrentTime)
 import Data.Time.Interval (TimeInterval, toTimeUnit)
 import Data.Time.Units (Second)
 import Network.HTTP.Client (Manager, HttpException, requestFromURI)
-import Network.HTTP.Simple (httpJSONEither, getResponseBody)
+import Network.HTTP.Simple (httpJSONEither, getResponseBody, setRequestManager)
 import Network.URI (URI (uriFragment), parseURI)
 import Text.Blaze.Html (Html)
 import UnliftIO.Exception (try)
@@ -155,7 +155,8 @@ postInboxR = do
         u <- liftE $ case parseURI $ BC.unpack keyid of
             Nothing  -> Left "keyId in Sig header isn't a valid absolute URI"
             Just uri -> Right uri
-        response <- ExceptT $ first (displayException :: HttpException -> String) <$> (try $ httpJSONEither =<< requestFromURI u)
+        manager <- getsYesod appHttpManager
+        response <- ExceptT $ first (displayException :: HttpException -> String) <$> (try $ httpJSONEither . setRequestManager manager =<< requestFromURI u)
         liftE $ do
             actor <- first displayException $ getResponseBody response
             let uActor = u { uriFragment = "" }