diff --git a/py/py.cmake b/py/py.cmake
index 1c81ed4c58..ec2a5d832d 100644
--- a/py/py.cmake
+++ b/py/py.cmake
@@ -58,6 +58,7 @@ set(MICROPY_SOURCE_PY
     ${MICROPY_PY_DIR}/mpz.c
     ${MICROPY_PY_DIR}/nativeglue.c
     ${MICROPY_PY_DIR}/nlr.c
+    ${MICROPY_PY_DIR}/nlraarch64.c
     ${MICROPY_PY_DIR}/nlrmips.c
     ${MICROPY_PY_DIR}/nlrpowerpc.c
     ${MICROPY_PY_DIR}/nlrrv32.c