diff --git a/CMakeLists.txt b/CMakeLists.txt
index f413f97cc..84943b413 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,7 +80,7 @@ else()
   set(FP_QNRES "on" CACHE STRING "")
 endif()
 
-set(FP_METHD "INTEG;INTEG;INTEG;MONTY;LOWER;SLIDE" CACHE STRING "")
+set(FP_METHD "INTEG;INTEG;INTEG;MONTY;MONTY;JMPDS;SLIDE" CACHE STRING "")
 
 if(MSVC)
   set(COMP_FLAGS "" CACHE STRING "")
diff --git a/configure.ac b/configure.ac
index 2d1ea04e5..564001c72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -490,9 +490,8 @@ if [[[ "$host_cpu" == x86_64 && "$use_optimizations" == "yes" ]]]; then
   AC_DEFINE([WSIZE], [64], [Size of word in this architecture.])
 elif [[[ "$host_cpu" == aarch* && "$use_optimizations" == "yes" ]]]; then
   dnl Support for 64-bit ARM processors
-  dnl Relic doesn't support aarch64 yet, set CPU_ARCH to none and ARCH to RELIC_NONE.
-  CPU_ARCH="none"
-  AC_DEFINE([ARCH], [RELIC_NONE], [Architecture.])
+  CPU_ARCH="a64"
+  AC_DEFINE([ARCH], [A64], [Architecture.])
   AC_DEFINE([WSIZE], [64], [Size of word in this architecture.])
 elif [[[ "$host_cpu" == i?86 && "$use_optimizations" == "yes" ]]]; then
   dnl Support for Intel x86 processors