diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 3bff94365d..81f2ee7d9c 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -219,13 +219,13 @@ void x509_csr_check_opaque(char *key_file, int md_type, int key_usage,
     memset(&rnd_info, 0x2a, sizeof(mbedtls_test_rnd_pseudo_info));
 
     mbedtls_x509write_csr_init(&req);
+    mbedtls_pk_init(&key);
 
     USE_PSA_INIT();
 
     md_alg_psa = mbedtls_psa_translate_md((mbedtls_md_type_t) md_type);
     TEST_ASSERT(md_alg_psa != MBEDTLS_MD_NONE);
 
-    mbedtls_pk_init(&key);
     TEST_ASSERT(mbedtls_pk_parse_keyfile(&key, key_file, NULL) == 0);
     TEST_ASSERT(mbedtls_pk_wrap_as_opaque(&key, &key_id, md_alg_psa) == 0);