diff --git a/test/test_abstractgrid.jl b/test/test_abstractgrid.jl
index 5fe1b01da8..e34536b95f 100644
--- a/test/test_abstractgrid.jl
+++ b/test/test_abstractgrid.jl
@@ -95,7 +95,7 @@
 
     @testset "IO interface" begin
         # Generate files
-        gridfilename    = "smallgrid"
+        gridfilename = "smallgrid"
         refgridfilename = "refgrid"
         VTKGridFile(gridfilename, subtype_grid) do vtk::VTKGridFile
         end