diff --git a/index.php b/index.php
index 24d8d0c..29d7646 100644
--- a/index.php
+++ b/index.php
@@ -102,9 +102,9 @@
 
                 const copy = ctx.createImageData(128, 64);
                 for (let i = 0; i < copy.data.length; i += 4) {
-                    //if (bits.substring(i/4, 1) == "1") {
+                    if (bits.substring(i/4, 1) === "1") {
                         copy.data[i+3] = 255;
-                    //}
+                    }
                 }
 
                 ctx.putImageData(copy, 0, 0);