diff --git a/src/LatticeGPU.jl b/src/LatticeGPU.jl
index af2aa78..337e5bb 100644
--- a/src/LatticeGPU.jl
+++ b/src/LatticeGPU.jl
@@ -25,10 +25,10 @@ using .Space
 export SpaceParm
 export up, dw, updw, global_point
 
-include("Fields/Fields.kl")
+include("Fields/Fields.jl")
+using .Fields
 export vector_field, scalar_field, nscalar_field
 
-
 include("YM/YM.jl")
 
 using .YM