diff --git a/src/main/java/org/apache/sling/commons/threads/impl/DefaultThreadPoolManager.java b/src/main/java/org/apache/sling/commons/threads/impl/DefaultThreadPoolManager.java
index 120c8da..cb77b2a 100644
--- a/src/main/java/org/apache/sling/commons/threads/impl/DefaultThreadPoolManager.java
+++ b/src/main/java/org/apache/sling/commons/threads/impl/DefaultThreadPoolManager.java
@@ -99,7 +99,7 @@
             config.setQueueSize((Integer)props.get(ModifiableThreadPoolConfig.PROPERTY_QUEUE_SIZE));
         }
         if ( props.get(ModifiableThreadPoolConfig.PROPERTY_MAX_THREAD_AGE) != null ) {
-            config.setQueueSize((Integer)props.get(ModifiableThreadPoolConfig.PROPERTY_MAX_THREAD_AGE));
+            config.setMaxThreadAge((Long) props.get(ModifiableThreadPoolConfig.PROPERTY_MAX_THREAD_AGE));
         }
         if ( props.get(ModifiableThreadPoolConfig.PROPERTY_KEEP_ALIVE_TIME) != null ) {
             config.setKeepAliveTime((Long)props.get(ModifiableThreadPoolConfig.PROPERTY_KEEP_ALIVE_TIME));