diff --git a/repos/libports/recipes/src/gmp/content.mk b/repos/libports/recipes/src/gmp/content.mk
index 17c828f4cb..0acdfbd254 100644
--- a/repos/libports/recipes/src/gmp/content.mk
+++ b/repos/libports/recipes/src/gmp/content.mk
@@ -6,6 +6,7 @@ MIRROR_FROM_REP_DIR = \
 	lib/mk/gmp-mpq.mk \
 	lib/mk/gmp-mpz.mk \
 	lib/mk/spec/arm/gmp-mpn.mk \
+	lib/mk/spec/arm_64/gmp-mpn.mk \
 	lib/mk/spec/x86_32/gmp-mpn.mk \
 	lib/mk/spec/x86_64/gmp-mpn.mk \