diff --git a/Makefile b/Makefile
index 65dae46d0ff78f0b69fe0cdf779aed5962e649b5..7917b92a9f998db036b8736496148b4643f3b717 100644
--- a/Makefile
+++ b/Makefile
@@ -139,6 +139,10 @@ p690::
 	@if test "x${OBJECT_MODE}" != x64 ; then export OBJECT_MODE=64; fi
 	@echo "OBJECT_MODE should be 64, is ${OBJECT_MODE}"
 
+.PHONY: bc_DT065
+bc_DT065::
+	cp -f define_bc_DT065.f90 define_bc.f90 
+
 .PHONY: bc_20090710
 bc_20090710::
 	cp -f define_bc.20090710.f90 define_bc.f90