diff --git a/tests/scripts/set_psa_test_dependencies.py b/tests/scripts/set_psa_test_dependencies.py
index 7510a0d..5dcd64e 100755
--- a/tests/scripts/set_psa_test_dependencies.py
+++ b/tests/scripts/set_psa_test_dependencies.py
@@ -166,6 +166,10 @@
     if function_name.endswith('_key_policy') and \
        arguments[-1].startswith('PSA_ERROR_'):
         arguments[-2] = ''
+    if function_name == 'copy_fail' and \
+       arguments[-1].startswith('PSA_ERROR_'):
+        arguments[-2] = ''
+        arguments[-3] = ''
 
     for arg in arguments:
         for symbol in re.findall(r'PSA_(?:ALG|KEY_TYPE)_\w+', arg):