diff --git a/library/x509write_crt.c b/library/x509write_crt.c
index 45d1f31..986e1fe 100644
--- a/library/x509write_crt.c
+++ b/library/x509write_crt.c
@@ -256,7 +256,7 @@
                                                      1,
                                                      (MBEDTLS_ASN1_CONTEXT_SPECIFIC | 0) );
 }
-#endif /* MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA */
+#endif /* MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA */
 
 int mbedtls_x509write_crt_set_key_usage( mbedtls_x509write_cert *ctx,
                                          unsigned int key_usage )