diff --git a/libvm/Makefile b/libvm/Makefile
index 218016a..6d8b038 100644
--- a/libvm/Makefile
+++ b/libvm/Makefile
@@ -16,7 +16,7 @@ emulator: emulator.c vm.c
 	$(CC) -g -o bin/$@ $^ -lSDL $(CFLAGS)
 
 as:
-	make -C as
+	$(MAKE) -C as
 	
 test: exp
 	./exp -o test.exp $(ARGS)
@@ -32,4 +32,4 @@ run: test.exp
 	./bin/as -o $@ -L $^
 
 clean:
-	rm *.bin
\ No newline at end of file
+	rm *.bin