diff --git a/apple1.ino b/apple1.ino
index 279fca8..2be688e 100644
--- a/apple1.ino
+++ b/apple1.ino
@@ -19,7 +19,8 @@ prom m(monitor, sizeof(monitor));
 #endif
 
 ram pages[RAM_SIZE / 1024];
-io io(PROGRAMS);
+flash_filer files(PROGRAMS);
+io io(files);
 
 r6502 cpu(memory);
 const char *filename;
diff --git a/io.h b/io.h
index ef399b5..bfe73a3 100644
--- a/io.h
+++ b/io.h
@@ -4,7 +4,7 @@
 // http://mamedev.org/source/src/mess/machine/apple1.c.html
 class io: public TFTDisplay, Keyboard, public pia {
 public:
-	io(const char *programs): files(programs) {}
+	io(filer &files): files(files) {}
 
 	virtual void reset();
 	virtual void down(uint8_t scan);
@@ -17,7 +17,7 @@ public:
 	virtual uint8_t read_porta_cr();
 
 	void load();
-	flash_filer files;
+	filer &files;
 private:
 	void display(uint8_t);
 	void draw(char, int, int);