diff --git a/transport/src/main/java/io/netty/channel/pool/FixedChannelPool.java b/transport/src/main/java/io/netty/channel/pool/FixedChannelPool.java
index 4bbf0bbf0e..487ba13859 100644
--- a/transport/src/main/java/io/netty/channel/pool/FixedChannelPool.java
+++ b/transport/src/main/java/io/netty/channel/pool/FixedChannelPool.java
@@ -258,6 +258,8 @@ public class FixedChannelPool extends SimpleChannelPool {
                 assert executor.inEventLoop();
 
                 if (closed) {
+                    // Since the pool is closed, we have no choice but to close the channel
+                    channel.close();
                     promise.setFailure(new IllegalStateException("FixedChannelPooled was closed"));
                     return;
                 }
@@ -366,6 +368,10 @@ public class FixedChannelPool extends SimpleChannelPool {
             assert executor.inEventLoop();
 
             if (closed) {
+                if (future.isSuccess()) {
+                    // Since the pool is closed, we have no choice but to close the channel
+                    future.getNow().close();
+                }
                 originalPromise.setFailure(new IllegalStateException("FixedChannelPooled was closed"));
                 return;
             }
diff --git a/transport/src/test/java/io/netty/channel/pool/FixedChannelPoolTest.java b/transport/src/test/java/io/netty/channel/pool/FixedChannelPoolTest.java
index cfd5c5ed49..21aa03a736 100644
--- a/transport/src/test/java/io/netty/channel/pool/FixedChannelPoolTest.java
+++ b/transport/src/test/java/io/netty/channel/pool/FixedChannelPoolTest.java
@@ -299,8 +299,12 @@ public class FixedChannelPoolTest {
             }
         }).syncUninterruptibly();
         pool.release(channel).syncUninterruptibly();
+
+        // Since the pool is closed.. the release channel should have been closed
+        channel.closeFuture().syncUninterruptibly();
+        assertFalse("Unexpected open channel", channel.isOpen());
+
         sc.close().syncUninterruptibly();
-        channel.close().syncUninterruptibly();
     }
 
     @Test