diff --git a/extensions/GalerkinToolkitExamples/test/mpi_array/example004_driver_np_4.jl b/extensions/GalerkinToolkitExamples/test/mpi_array/example004_driver_np_4.jl
new file mode 100644
index 00000000..7f2f27cc
--- /dev/null
+++ b/extensions/GalerkinToolkitExamples/test/mpi_array/example004_driver_np_4.jl
@@ -0,0 +1,8 @@
+module TMP
+
+using PartitionedArrays
+
+include(joinpath("..","example004_defs.jl"))
+with_mpi(example004_tests_np_4)
+
+end # module
diff --git a/extensions/GalerkinToolkitExamples/test/mpi_array/example004_tests.jl b/extensions/GalerkinToolkitExamples/test/mpi_array/example004_tests.jl
new file mode 100644
index 00000000..406de231
--- /dev/null
+++ b/extensions/GalerkinToolkitExamples/test/mpi_array/example004_tests.jl
@@ -0,0 +1,11 @@
+module Example004Tests
+
+using MPI
+
+include("run_mpi_driver.jl")
+
+file = joinpath(@__DIR__,"example004_driver_np_4.jl")
+run_mpi_driver(file;procs=4)
+
+end # module
+