diff --git a/tests/run_block_byte_tests_matlab.m b/tests/run_block_byte_tests_matlab.m
index 015f4608f..772e4e8a9 100644
--- a/tests/run_block_byte_tests_matlab.m
+++ b/tests/run_block_byte_tests_matlab.m
@@ -1,4 +1,4 @@
-% Copyright (C) 2011-2017 Dynare Team
+% Copyright (C) 2011-2020 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -131,7 +131,7 @@ for blockFlag = 0:1
 end
 ecput = toc;
 delete('wsMat.mat')
-cd(getenv('TOP_TEST_DIR'));
+cd(top_test_dir);
 fid = fopen('run_block_byte_tests_matlab.m.trs', 'w+');
 if size(failedBlock,2) > 0
   fprintf(fid,':test-result: FAIL\n');
diff --git a/tests/run_block_byte_tests_octave.m b/tests/run_block_byte_tests_octave.m
index 3af577282..69f9b06a1 100644
--- a/tests/run_block_byte_tests_octave.m
+++ b/tests/run_block_byte_tests_octave.m
@@ -1,4 +1,4 @@
-## Copyright (C) 2009-2019 Dynare Team
+## Copyright (C) 2009-2020 Dynare Team
 ##
 ## This file is part of Dynare.
 ##
@@ -131,7 +131,7 @@ for blockFlag = 0:1
 endfor
 ecput = toc;
 delete('wsOct');
-cd(getenv('TOP_TEST_DIR'));
+cd(top_test_dir);
 fid = fopen('run_block_byte_tests_octave.o.trs', 'w+');
 if size(failedBlock,2) > 0
   fprintf(fid,':test-result: FAIL\n');