diff --git a/Sources/IORing/IORing.swift b/Sources/IORing/IORing.swift
index c177e79..fb1eb4b 100644
--- a/Sources/IORing/IORing.swift
+++ b/Sources/IORing/IORing.swift
@@ -45,7 +45,7 @@ public final class IORing: CustomStringConvertible {
   private let entries: Int
   private let ringFd: Int32
 
-  var logger = Logger(label: "com.padl.IORing")
+  let logger = Logger(label: "com.padl.IORing")
 
   private final class FixedBuffer {
     fileprivate let count: Int