diff --git a/scripts/make_generated_files.bat b/scripts/make_generated_files.bat
index 4a9c7f4..6031370 100644
--- a/scripts/make_generated_files.bat
+++ b/scripts/make_generated_files.bat
@@ -19,7 +19,9 @@
 perl scripts\generate_visualc_files.pl || exit /b 1
 
 @rem @@@@ programs\** @@@@
-python tf-psa-crypto\scripts\generate_psa_constants.py || exit /b 1
+cd tf-psa-crypto
+python scripts\generate_psa_constants.py || exit /b 1
+cd ..
 
 @rem @@@@ tests\** @@@@
 python framework\scripts\generate_bignum_tests.py --directory tf-psa-crypto\tests\suites || exit /b 1