diff --git a/micrometer-core/src/main/java/io/micronaut/configuration/metrics/binder/executor/ExecutorServiceMetricsBinder.java b/micrometer-core/src/main/java/io/micronaut/configuration/metrics/binder/executor/ExecutorServiceMetricsBinder.java
index 4aad3bd73..f2428f343 100644
--- a/micrometer-core/src/main/java/io/micronaut/configuration/metrics/binder/executor/ExecutorServiceMetricsBinder.java
+++ b/micrometer-core/src/main/java/io/micronaut/configuration/metrics/binder/executor/ExecutorServiceMetricsBinder.java
@@ -69,7 +69,7 @@ public ExecutorService onCreated(BeanCreatedEvent<ExecutorService> event) {
         }
         // Netty EventLoopGroups require separate instrumentation.
         if (unwrapped.getClass().getName().startsWith("io.netty")) {
-            return unwrapped;
+            return executorService;
         }
 
         MeterRegistry meterRegistry = meterRegistryProvider.get();