diff --git a/fx.cabal b/fx.cabal
--- a/fx.cabal
+++ b/fx.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.4
 name: fx
-version: 0.11.1.1
+version: 0.11.2
 synopsis: Modular effectful computations with explicit environments and errors
 description:
   A lightweight library for writing effectful computations with explicit
diff --git a/library/Fx/Scope.hs b/library/Fx/Scope.hs
--- a/library/Fx/Scope.hs
+++ b/library/Fx/Scope.hs
@@ -49,6 +49,9 @@
         let Scope m2 = handler err
          in m2
 
+instance MonadIO (Scope SomeException) where
+  liftIO io = Scope (liftIO io >>= \env -> return (env, pure ()))
+
 -- |
 -- Create a scope from an acquiring effect.
 --