diff --git a/ros_gz_bridge/src/convert/sensor_msgs.cpp b/ros_gz_bridge/src/convert/sensor_msgs.cpp
index 887f16d0..6972ca63 100644
--- a/ros_gz_bridge/src/convert/sensor_msgs.cpp
+++ b/ros_gz_bridge/src/convert/sensor_msgs.cpp
@@ -166,13 +166,11 @@ convert_gz_to_ros(
 
   ros_msg.is_bigendian = false;
   ros_msg.step = ros_msg.width * num_channels * octets_per_channel;
-
-  auto count = ros_msg.step * ros_msg.height;
   ros_msg.data.resize(ros_msg.step * ros_msg.height);
-  std::copy(
-    gz_msg.data().begin(),
-    gz_msg.data().begin() + count,
-    ros_msg.data.begin());
+
+  // Prefer memcpy over std::copy for performance reasons,
+  // see https://github.com/gazebosim/ros_gz/pull/565
+  memcpy(ros_msg.data.data(), gz_msg.data().c_str(), gz_msg.data().size());
 }
 
 template<>