diff --git a/scripts/generate_psa_constants.py b/scripts/generate_psa_constants.py
index c6bd9b6..c441b4e 100755
--- a/scripts/generate_psa_constants.py
+++ b/scripts/generate_psa_constants.py
@@ -8,6 +8,7 @@
 
 import os
 import re
+import sys
 
 OUTPUT_TEMPLATE = '''\
 /* Automatically generated by generate_psa_constant.py. DO NOT EDIT. */
@@ -395,6 +396,8 @@
 if __name__ == '__main__':
     if not os.path.isdir('programs') and os.path.isdir('../programs'):
         os.chdir('..')
+    # Allow to change the directory where psa_constant_names_generated.c is written to.
+    OUTPUT_FILE_DIR = sys.argv[1] if len(sys.argv) == 2 else "programs/psa"
     generate_psa_constants(['include/psa/crypto_values.h',
                             'include/psa/crypto_extra.h'],
-                           'programs/psa/psa_constant_names_generated.c')
+                           OUTPUT_FILE_DIR + '/psa_constant_names_generated.c')