diff --git a/logback-core/src/main/java/ch/qos/logback/core/AsyncAppenderBase.java b/logback-core/src/main/java/ch/qos/logback/core/AsyncAppenderBase.java
index 8718737..6b00ec8 100644
--- a/logback-core/src/main/java/ch/qos/logback/core/AsyncAppenderBase.java
+++ b/logback-core/src/main/java/ch/qos/logback/core/AsyncAppenderBase.java
@@ -51,6 +51,7 @@ public class AsyncAppenderBase<E> extends UnsynchronizedAppenderBase<E> implemen
 
   static final int UNDEFINED = -1;
   int discardingThreshold = UNDEFINED;
+  boolean neverBlock = false;
 
   Worker worker = new Worker();
 
@@ -135,9 +136,13 @@ public class AsyncAppenderBase<E> extends UnsynchronizedAppenderBase<E> implemen
   }
 
   private void put(E eventObject) {
-    try {
-      blockingQueue.put(eventObject);
-    } catch (InterruptedException e) {
+    if (neverBlock) {
+      blockingQueue.offer(eventObject);
+    } else {
+      try {
+        blockingQueue.put(eventObject);
+      } catch (InterruptedException e) {
+      }
     }
   }
 
@@ -166,6 +171,14 @@ public class AsyncAppenderBase<E> extends UnsynchronizedAppenderBase<E> implemen
     return blockingQueue.size();
   }
 
+
+  public void setNeverBlock(boolean neverBlock) {
+    this.neverBlock = neverBlock;
+  }
+  public boolean getNeverBlock() {
+    return neverBlock;
+  }
+
   /**
    * The remaining capacity available in the blocking queue.
    *
diff --git a/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java b/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
index ddf8cfd..477d359 100755
--- a/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
+++ b/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
@@ -56,6 +56,7 @@ public class AsyncAppenderBaseTest {
 
     delayingListAppender.setContext(context);
     delayingListAppender.setName("list");
+    delayingListAppender.setDelay(5);
     delayingListAppender.start();
   }
 
@@ -120,6 +121,24 @@ public class AsyncAppenderBaseTest {
   }
 
   @Test(timeout = 2000)
+  public void eventLossIfNeverBlock() {
+    int bufferSize = 10;
+    int loopLen = bufferSize * 2;
+    delayingListAppender.setDelay(5000); // something greater than the test timeout
+    asyncAppenderBase.addAppender(delayingListAppender);
+    asyncAppenderBase.setQueueSize(bufferSize);
+    asyncAppenderBase.setNeverBlock(true);
+    asyncAppenderBase.start();
+    for (int i = 0; i < loopLen; i++) {
+      asyncAppenderBase.doAppend(i);
+    }
+    asyncAppenderBase.stop();
+    // ListAppender size isn't a reliable test here, so just make sure we didn't
+    // have any errors, and that we could complete the test in time.
+    statusChecker.assertIsErrorFree();
+  }
+
+  @Test(timeout = 2000)
   public void lossyAppenderShouldOnlyLooseCertainEvents() {
     int bufferSize = 5;
     int loopLen = bufferSize * 2;
diff --git a/logback-core/src/test/java/ch/qos/logback/core/testUtil/DelayingListAppender.java b/logback-core/src/test/java/ch/qos/logback/core/testUtil/DelayingListAppender.java
index f180070..551f957 100644
--- a/logback-core/src/test/java/ch/qos/logback/core/testUtil/DelayingListAppender.java
+++ b/logback-core/src/test/java/ch/qos/logback/core/testUtil/DelayingListAppender.java
@@ -20,6 +20,10 @@ public class DelayingListAppender<E> extends ListAppender<E> {
   public int delay = 5;
   public boolean interrupted = false;
 
+  public void setDelay(int ms) {
+    delay = ms;
+  }
+
   @Override
   public void append(E e) {
     try {