diff --git a/redis/src/aio/multiplexed_connection.rs b/redis/src/aio/multiplexed_connection.rs
index 8e933b90c..9fb8f7bb0 100644
--- a/redis/src/aio/multiplexed_connection.rs
+++ b/redis/src/aio/multiplexed_connection.rs
@@ -133,7 +133,12 @@ where
                             values.push(item);
                             Value::Array(values)
                         }
-                        Some(value) => Value::Array(vec![value, item]),
+                        Some(value) => {
+                            let mut vec = Vec::with_capacity(entry.expected_response_count);
+                            vec.push(value);
+                            vec.push(item);
+                            Value::Array(vec)
+                        }
                         None => item,
                     });
                 }