diff --git a/main.js b/main.js
index 3fcb0f3..9ce621c 100644
--- a/main.js
+++ b/main.js
@@ -9,12 +9,12 @@ function run() {
     var input_iterations = parseInt(core.getInput('iterations'));
 
     // Process
-    var currentNumber = 0;
-    var step = 1;
+    var currentNumber = 1;
+    var lastNumber = 0;
     for (var i = 0; i < input_iterations; i++) {
         core.notice(currentNumber);
-        currentNumber = currentNumber + step;
-        step = currentNumber;
+        lastNumber = currentNumber;
+        currentNumber = currentNumber + lastNumber;
     }
 
     // Produce Action Output