diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index fe9c594..40647d5 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -70,6 +70,10 @@
 #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_AES_SCA_COUNTERMEASURES) && !defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
+#error "MBEDTLS_AES_SCA_COUNTERMEASURES defined, but not all prerequisites"
+#endif
+
 #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
 #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
 #endif