diff --git a/script.js b/script.js
index 1970ac2..adf73cd 100644
--- a/script.js
+++ b/script.js
@@ -340,8 +340,8 @@ function setPixel(worldX, worldY, type) {
 
 function getPixel(worldX, worldY) {
     // Special case: floor at the bottom of the world (first two chunks)
-    const chunkY = Math.floor(worldY / CHUNK_SIZE);
-    if (worldY % CHUNK_SIZE === CHUNK_SIZE - 1 && (chunkY === 0 || chunkY === 1)) {
+    const floorChunkY = Math.floor(worldY / CHUNK_SIZE);
+    if (worldY % CHUNK_SIZE === CHUNK_SIZE - 1 && (floorChunkY === 0 || floorChunkY === 1)) {
         return WALL;
     }