diff --git a/Makefile b/Makefile
index 2856758..ffa6dfb 100644
--- a/Makefile
+++ b/Makefile
@@ -20,6 +20,10 @@ shell.bin: ponydos.inc
 
 hello.bin: ponydos.inc
 
+viewer.bin: ponydos.inc
+
+memory.bin: ponydos.inc
+
 .asm.bin:
 	$(NASM) -fbin -o $@ $<