diff --git a/experiments/modern/src/maki-interpreter/virtualMachine.js b/experiments/modern/src/maki-interpreter/virtualMachine.js
index f81a3685..ec4b70d0 100644
--- a/experiments/modern/src/maki-interpreter/virtualMachine.js
+++ b/experiments/modern/src/maki-interpreter/virtualMachine.js
@@ -109,7 +109,7 @@ function* interpret(start, program, stack = []) {
         if (value) {
           break;
         }
-        i = command.arg - 1;
+        ip = command.arg - 1;
         break;
       }
       // jumpIfNot
@@ -119,12 +119,12 @@ function* interpret(start, program, stack = []) {
         if (!value) {
           break;
         }
-        i = command.arg - 1;
+        ip = command.arg - 1;
         break;
       }
       // jump
       case 18: {
-        i = command.arg - 1;
+        ip = command.arg - 1;
         break;
       }
       // call