diff --git a/src/main/java/io/lettuce/core/protocol/SharedLock.java b/src/main/java/io/lettuce/core/protocol/SharedLock.java
index 315c1a39c..eeb21e28a 100644
--- a/src/main/java/io/lettuce/core/protocol/SharedLock.java
+++ b/src/main/java/io/lettuce/core/protocol/SharedLock.java
@@ -136,7 +136,7 @@ private void lockWritersExclusive() {
     private void unlockWritersExclusive() {
 
         if (exclusiveLockOwner == Thread.currentThread()) {
-            if (WRITERS.incrementAndGet(this) == 0) {
+            if (WRITERS.compareAndSet(this, -1, 0)) {
                 exclusiveLockOwner = null;
             }
         }