diff --git a/redisson/src/main/java/org/redisson/RedissonBaseLock.java b/redisson/src/main/java/org/redisson/RedissonBaseLock.java
index 6203d3d4e..99759abea 100644
--- a/redisson/src/main/java/org/redisson/RedissonBaseLock.java
+++ b/redisson/src/main/java/org/redisson/RedissonBaseLock.java
@@ -215,7 +215,10 @@ public abstract class RedissonBaseLock extends RedissonExpirable implements RLoc
     }
 
     protected <T> RFuture<T> evalWriteAsync(String key, Codec codec, RedisCommand<T> evalCommandType, String script, List<Object> keys, Object... params) {
-        CommandBatchService executorService = createCommandBatchService();
+        MasterSlaveEntry entry = commandExecutor.getConnectionManager().getEntry(getRawName());
+        int availableSlaves = entry.getAvailableSlaves();
+
+        CommandBatchService executorService = createCommandBatchService(availableSlaves);
         RFuture<T> result = executorService.evalWriteAsync(key, codec, evalCommandType, script, keys, params);
         if (commandExecutor instanceof CommandBatchService) {
             return result;
@@ -228,20 +231,22 @@ public abstract class RedissonBaseLock extends RedissonExpirable implements RLoc
                 r.tryFailure(ex);
                 return;
             }
+            if (res.getSyncedSlaves() != availableSlaves) {
+                r.tryFailure(new IllegalStateException("Only " + res.getSyncedSlaves() + " of " + availableSlaves + " slaves were synced"));
+            }
 
             r.trySuccess(result.getNow());
         });
         return r;
     }
 
-    private CommandBatchService createCommandBatchService() {
+    private CommandBatchService createCommandBatchService(int availableSlaves) {
         if (commandExecutor instanceof CommandBatchService) {
             return (CommandBatchService) commandExecutor;
         }
 
-        MasterSlaveEntry entry = commandExecutor.getConnectionManager().getEntry(getRawName());
         BatchOptions options = BatchOptions.defaults()
-                                .syncSlaves(entry.getAvailableSlaves(), 1, TimeUnit.SECONDS);
+                                            .syncSlaves(availableSlaves, 1, TimeUnit.SECONDS);
 
         return new CommandBatchService(commandExecutor, options);
     }