diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 6e7c270..13bd50c 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -910,6 +910,10 @@
 #undef MBEDTLS_HASHES_ENABLED
 #endif /* MBEDTLS_MD_SINGLE_HASH */
 
+#if defined(MBEDTLS_DELAYED_SERVER_CERT_VERIFICATION) && !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+#error "MBEDTLS_DELAYED_SERVER_CERT_VERIFICATION can only be used with MBEDTLS_SSL_KEEP_PEER_CERTIFICATE"
+#endif
+
 /*
  * Note: the dependency on TinyCrypt is reflected in several ways in the code:
  *