diff --git a/js/world.js b/js/world.js
index fd1e886..72ebd4a 100644
--- a/js/world.js
+++ b/js/world.js
@@ -47,10 +47,10 @@ function getOrCreateChunk(chunkX, chunkY) {
                         const noiseThreshold = y / 10; // 0 at the top, 1 at row 10
                         
                         if (random() > noiseThreshold) {
-                            chunkData[y * CHUNK_SIZE + x] = STONE;
+                            chunkData[y * CHUNK_SIZE + x] = SAND;
                         } else {
-                            // Randomly choose between sand and empty space
-                            chunkData[y * CHUNK_SIZE + x] = random() < 0.7 ? SAND : EMPTY;
+                            // Randomly choose between stone and empty space
+                            chunkData[y * CHUNK_SIZE + x] = random() < 0.7 ? STONE : EMPTY;
                         }
                     } else {
                         // Below the transition zone, it's all stone