diff --git a/src/subgrid.jl b/src/subgrid.jl
index 2cf7706f..de19dd3d 100644
--- a/src/subgrid.jl
+++ b/src/subgrid.jl
@@ -80,7 +80,7 @@ Base.isless(x::XIPair, y::XIPair) = (x.x < y.x)
 """
     subgrid(parent,                                                             
             subregions::AbstractArray;                                          
-            transform::T=function(a,b) @views a.=b[1:length(a)] end,                                      
+            transform::T = (a, b) -> a .= b[1:length(a)],
             boundary=false,                                                     
             coordinatesystem=codim1_coordinatesystem(parent[CoordinateSystem]), 
             project=true) where T                                               
@@ -105,9 +105,7 @@ A subgrid is of type `ExtendableGrid` and stores two additional components:
 function subgrid(
         parent,
         subregions::AbstractArray;
-        transform::T = function(a, b)
-            return @views a .= b[1:length(a)]
-        end,
+        transform::T = (a, b) -> a .= b[1:length(a)],
         boundary = false,
         support = ON_CELLS,
         project = true,
diff --git a/test/test_gridstuff.jl b/test/test_gridstuff.jl
index 373373b8..6d628dbb 100644
--- a/test/test_gridstuff.jl
+++ b/test/test_gridstuff.jl
@@ -154,9 +154,9 @@ function run_grid_tests()
     grid = simplexgrid(X, X)
     @test all(grid[CellVolumes] .> 0)
     sub = subgrid(
-        grid, [2], transform = function(a, b)
-            return a[1] = b[2]
-        end, boundary = true
+        grid, [2],
+        transform = (a, b) -> a[1] = b[2],
+        boundary = true
     )
     @test check_cellfinder(sub)