diff --git a/src/main/java/io/lettuce/core/dynamic/ParameterBinder.java b/src/main/java/io/lettuce/core/dynamic/ParameterBinder.java
index d34a3542ca..e3c867155f 100644
--- a/src/main/java/io/lettuce/core/dynamic/ParameterBinder.java
+++ b/src/main/java/io/lettuce/core/dynamic/ParameterBinder.java
@@ -99,7 +99,11 @@ private <K, V> void bind(CommandArgs<K, V> args, RedisCodec<K, V> codec, Object
         }
 
         if (argument instanceof byte[]) {
-            args.add((byte[]) argument);
+            if (index != -1 && accessor.isKey(index)) {
+                args.addKey((K) argument);
+            } else {
+                args.add((byte[]) argument);
+            }
             return;
         }
 
diff --git a/src/test/java/io/lettuce/core/dynamic/RedisCommandsClusterSyncTest.java b/src/test/java/io/lettuce/core/dynamic/RedisCommandsClusterSyncTest.java
index 9932dcc8e3..61ed3787e2 100644
--- a/src/test/java/io/lettuce/core/dynamic/RedisCommandsClusterSyncTest.java
+++ b/src/test/java/io/lettuce/core/dynamic/RedisCommandsClusterSyncTest.java
@@ -84,6 +84,18 @@ public void sync() {
         assertThat(api.getAsBytes("key")).isEqualTo("value".getBytes());
     }
 
+    @Test
+    public void shouldRouteBinaryKey() {
+
+        connection.sync().set(key, value);
+
+        RedisCommandFactory factory = new RedisCommandFactory(connection);
+
+        SynchronousCommands api = factory.getCommands(SynchronousCommands.class);
+
+        assertThat(api.get(key.getBytes())).isEqualTo(value.getBytes());
+    }
+
     @Test
     public void mgetAsValues() {
 
@@ -98,7 +110,9 @@ public void mgetAsValues() {
         assertThat(values.get(0)).isEqualTo(Value.just(value));
     }
 
-    static interface SynchronousCommands extends Commands {
+    interface SynchronousCommands extends Commands {
+
+        byte[] get(byte[] key);
 
         String get(String key);