diff --git a/README.md b/README.md
index 3b98406..3a2d9e8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ You can run a test program like that. I'll try making a developer's manual so on
 
 ```
 make
-./a.out program.asm
+./dumb8 program.asm
 ```
 
 ## Technical specifications