diff --git a/simulator.js b/cpu.js
similarity index 100%
rename from simulator.js
rename to cpu.js
diff --git a/run-cpu.js b/run-cpu.js
index 74ca22e..9da11e1 100755
--- a/run-cpu.js
+++ b/run-cpu.js
@@ -12,7 +12,7 @@
 // $ ./run-cpu --debug code.asm
 
 const fs = require('fs');
-const computer = require('./simulator.js');
+const computer = require('./cpu.js');
 const assembler = require('./assembler.js');
 const { logRunningHeader, logMemory } = require('./logging.js');