diff --git a/stats.js b/stats.js
index 37fa57f..d3c4852 100644
--- a/stats.js
+++ b/stats.js
@@ -1,9 +1,9 @@
 const fs = require('fs');
 let PrankData = JSON.parse(fs.readFileSync("prankdata.txt"));
 
-let nbPrank;
-let nbCrepe;
-let meanCrepe;
+let nbPrank = 0;
+let nbCrepe = 0;
+let meanCrepe = 0;
 
 for (var uid in PrankData) {
     if (PrankData[uid].type == "crêpe") {