diff --git a/scripts/config.pl b/scripts/config.pl
index 2f04d91..b2c8953 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -72,6 +72,7 @@
 my @excluded = qw(
 MBEDTLS_DEPRECATED_REMOVED
 MBEDTLS_DEPRECATED_WARNING
+MBEDTLS_ECP_NO_INTERNAL_RNG
 MBEDTLS_HAVE_SSE2
 MBEDTLS_MEMORY_BACKTRACE
 MBEDTLS_MEMORY_BUFFER_ALLOC_C