diff --git a/3rdparty/everest/Makefile.inc b/3rdparty/everest/Makefile.inc
index bbdba56..0b71e2a 100755
--- a/3rdparty/everest/Makefile.inc
+++ b/3rdparty/everest/Makefile.inc
@@ -1,7 +1,18 @@
-THIRDPARTY_INCLUDES+=-I../3rdparty/everest/include -I../3rdparty/everest/include/everest -I../3rdparty/everest/include/everest/kremlib
-
-THIRDPARTY_OBJECTS+= \
-		../3rdparty/everest/library/everest.o \
-		../3rdparty/everest/library/Hacl_Curve25519.o \
-		../3rdparty/everest/library/x25519.o \
-		../3rdparty/everest/library/kremlib/FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.o
\ No newline at end of file
+EVEREST_ENABLED=$(shell perl ../scripts/config.pl -f ../include/mbedtls/config.h get MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED; echo $$?)
+
+ifeq ($(EVEREST_ENABLED),0)
+THIRDPARTY_INCLUDES+=-I../3rdparty/everest/include -I../3rdparty/everest/include/everest -I../3rdparty/everest/include/everest/kremlib
+
+THIRDPARTY_OBJECTS+= \
+	../3rdparty/everest/library/everest.o \
+	../3rdparty/everest/library/x25519.o \
+	../3rdparty/everest/library/kremlib/FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.o
+
+ifeq ($(shell getconf LONG_BIT),64)
+THIRDPARTY_OBJECTS+=../3rdparty/everest/library/Hacl_Curve25519.o
+else
+CFLAGS+="-DKRML_VERIFIED_UINT128"
+THIRDPARTY_OBJECTS+=../3rdparty/everest/library/legacy/Hacl_Curve25519.o \
+	../3rdparty/everest/library/kremlib/FStar_UInt128_extracted.o
+endif
+endif