diff --git a/readme.md b/readme.md
index 9978657..942da59 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,4 @@
-# LD06 Lidar ROS2 driver
+# LD06 Lidar Humble ROS2 driver
 
 This is an attempt to fix and improve the driver provided by LDRobots in their
 [website](https://www.ldrobot.com/download/44)
diff --git a/src/lipkg.cpp b/src/lipkg.cpp
index 912587e..9c321fd 100644
--- a/src/lipkg.cpp
+++ b/src/lipkg.cpp
@@ -255,7 +255,8 @@ void LiPkg::ToLaserscan(std::vector<PointData> src)
 
     int index = (int)((output.angle_max - angle) / output.angle_increment);
     // int index = (int)((angle - output.angle_min) / output.angle_increment); //default, but this is inverted
-    if (index >= 0 && index < beam_size_)
+    // if (index >= 0 && index < beam_size_): This alertt error on humble
+    if (index >= 0 && index < static_cast<int>(beam_size_)) // tested fix
     {
 		if(range < range_threshold_)
 		{
@@ -272,4 +273,4 @@ void LiPkg::ToLaserscan(std::vector<PointData> src)
   }
 }
 
-/********************* (C) COPYRIGHT LD Robot *******END OF FILE ********/
\ No newline at end of file
+/********************* (C) COPYRIGHT LD Robot *******END OF FILE ********/