diff --git a/ext/CaesarLasIOExt.jl b/ext/CaesarLasIOExt.jl
index 5dbc10fbd..4eb277596 100644
--- a/ext/CaesarLasIOExt.jl
+++ b/ext/CaesarLasIOExt.jl
@@ -1,9 +1,13 @@
 module CaesarLasIOExt
 
 using LasIO
+using FileIO
+using Dates
+using StaticArrays
+
 import Caesar._PCL as _PCL
 
-import Caesar: loadLAS, saveLLAS
+import Caesar: loadLAS, saveLAS
 
 include("services/LasIOSupport.jl")
 
diff --git a/ext/services/LasIOSupport.jl b/ext/services/LasIOSupport.jl
index 37de0e56d..20ab56e41 100644
--- a/ext/services/LasIOSupport.jl
+++ b/ext/services/LasIOSupport.jl
@@ -25,15 +25,15 @@ function loadLAS(
     RGB(pnt.red, pnt.green, pnt.blue)
   end
 
-  colored_points = PointXYZ.(colors, pts)
-  return PointCloud(;points=colored_points, width=UInt32(length(colored_points)), height=UInt32(1))
+  colored_points = _PCL.PointXYZ.(colors, pts)
+  return _PCL.PointCloud(;points=colored_points, width=UInt32(length(colored_points)), height=UInt32(1))
 end
 
 
 # TODO, make save LAS
 function saveLAS(
   filepath::Union{<:AbstractString, <:Stream},
-  pc::PointCloud;
+  pc::_PCL.PointCloud;
   scale=1000
 )