diff --git a/include/polarssl/check_config.h b/include/polarssl/check_config.h
index 4f3e48c..328b881 100644
--- a/include/polarssl/check_config.h
+++ b/include/polarssl/check_config.h
@@ -197,9 +197,9 @@
 #error "POLARSSL_RSA_C defined, but not all prerequisites"
 #endif
 
-#if defined(POLARSSL_RSASSA_PSS_CERTIFICATES) &&                        \
+#if defined(POLARSSL_X509_RSASSA_PSS_SUPPORT) &&                        \
     ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_PKCS1_V21) )
-#error "POLARSSL_RSASSA_PSS_CERTIFICATES defined, but not all prerequisites"
+#error "POLARSSL_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
 #endif
 
 #if defined(POLARSSL_SSL_PROTO_SSL3) && ( !defined(POLARSSL_MD5_C) ||     \