diff --git a/src/core/eucalyptus.scala b/src/core/eucalyptus.scala
index 01a75a5..351d321 100644
--- a/src/core/eucalyptus.scala
+++ b/src/core/eucalyptus.scala
@@ -149,7 +149,7 @@ trait LogTag[-TagType]:
   def tag(value: TagType): Text
 
 package logging:
-  given stdout(using Stdio, Raises[StreamCutError], CharEncoder, Monitor): Log =
+  given stdout(using Io, Raises[StreamCutError], CharEncoder, Monitor): Log =
     val sink = Out.sink
   
     Log: