diff --git a/Makefile b/Makefile
index 2a257b41542d4d6e3a41c6dae14e065fd48a0796..eed0c2a38d360699e06aa030a581e86249852e83 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,7 @@ do_leaf_measurements.o \
 embed_surface_in_octree.o \
 erosion.o \
 find_void_nodes.o \
+flush.o \
 heap.o \
 improve_osolve.o\
 initialize_temperature.o \
@@ -86,7 +87,7 @@ objclean:
 	cd RESAMPLE;  make $@
 	rm -f *.o *.mod $(COMPILE_OUT)
 
-
+all: $(NAME)
 $(NAME): subdirs $(OBJECTS)
 	$(F90) $(FLAGS) $(OPTIONS) $(OBJECTS) $(LIBS) -o $(NAME) \
  >$(NAME).link 2>&1