diff --git a/src/mapgen.ts b/src/mapgen.ts
index be99cb8..8fc9019 100644
--- a/src/mapgen.ts
+++ b/src/mapgen.ts
@@ -757,7 +757,7 @@ function dedup(items: number[]): number[] {
 }
 
 function showDebug(grid: LoadedNewMap) {
-  if (true) {
+  if (DEBUG) {
     let out = "";
     for (let y = 0; y < grid.size.h; y++) {
       for (let x = 0; x < grid.size.w; x++) {