diff --git a/src/changelord.js b/src/changelord.js
index e21a144..52af277 100755
--- a/src/changelord.js
+++ b/src/changelord.js
@@ -29,5 +29,6 @@ yargs(hideBin(process.argv))
   .command(cut)
   .command(print)
   .command(upcoming)
+  .strictCommands()
   .help()
   .parse();