diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index e2f8e62..17010fe 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -124,6 +124,11 @@
 #error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative ECP implementation"
 #endif
 
+#if defined(MBEDTLS_ECP_RESTARTABLE)           && \
+    !defined(MBEDTLS_ECP_C)
+#error "MBEDTLS_ECP_RESTARTABLE defined, but not all prerequisites"
+#endif
+
 #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
 #endif