diff --git a/modules/mpi/tests/test_MPI_Send_Recv_anonymous_function.m b/modules/mpi/tests/test_MPI_Send_Recv_anonymous_function.m
index bccc1941e6..597f093c01 100644
--- a/modules/mpi/tests/test_MPI_Send_Recv_anonymous_function.m
+++ b/modules/mpi/tests/test_MPI_Send_Recv_anonymous_function.m
@@ -25,7 +25,7 @@
   for source = 1:num_ranks - 1
     receive = MPI_Recv (source, TAG);
     assert_istrue(isa(receive, 'function_handle'));
-    assert_isequal(func2str(receive), '@(x)a+b+x');
+    assert_isequal(func2str(receive), '@(x)(a+b)+x');
     assert_isequal(receive(1), 111);
   end
 end