diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 64b4e9e..a378c13 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -298,11 +298,12 @@
     mbedtls_test_rnd_pseudo_info rnd_info;
 
     mbedtls_x509write_csr_init(&req);
+    mbedtls_pk_init(&key);
+
     MD_OR_USE_PSA_INIT();
 
     memset(&rnd_info, 0x2a, sizeof(mbedtls_test_rnd_pseudo_info));
 
-    mbedtls_pk_init(&key);
     TEST_ASSERT(mbedtls_pk_parse_keyfile(&key, key_file, NULL,
                                          mbedtls_test_rnd_std_rand, NULL) == 0);