diff --git a/the-super-tiny-compiler.js b/the-super-tiny-compiler.js
index 411fa54..eb33afc 100755
--- a/the-super-tiny-compiler.js
+++ b/the-super-tiny-compiler.js
@@ -378,8 +378,9 @@
 
 // We start by accepting an input string of code, and we're gonna set up two
 // things...
-function tokenizer(input) {
+function tokenizer(p_input) {
 
+  let input = p_input + ' ';
   // A `current` variable for tracking our position in the code like a cursor.
   let current = 0;