Index: head/Mk/Uses/go.mk
===================================================================
--- head/Mk/Uses/go.mk
+++ head/Mk/Uses/go.mk
@@ -101,7 +101,11 @@
 		GOBIN=""
 .endif
 
-GO_PORT?=	lang/go
+# Tentatively enable package building for Go ports on aarch64 to catch regressions early.
+# Can be removed after go1.14 is officially released in Jan 2020 and lang/go is updated to 1.14
+GO_PORT_aarch64=	lang/go-devel
+GO_PORT?=	${GO_PORT_${ARCH}:Ulang/go}
+
 BUILD_DEPENDS+=	${GO_CMD}:${GO_PORT}
 .if ${go_ARGS:Mrun}
 RUN_DEPENDS+=	${GO_CMD}:${GO_PORT}