diff --git a/modules/contest.js b/modules/contest.js
index fdd4078..ef3d5cc 100644
--- a/modules/contest.js
+++ b/modules/contest.js
@@ -224,7 +224,7 @@ app.get('/contest/:id/submissions', async (req, res) => {
       let minScore = parseInt(req.query.min_score);
       if (isNaN(minScore)) minScore = 0;
       let maxScore = parseInt(req.query.max_score);
-      if (isNaN(maxScore)) maxScore = 0;
+      if (isNaN(maxScore)) maxScore = 100;
 
       where.score = {
         $and: {
diff --git a/modules/submission.js b/modules/submission.js
index a2473d0..489f8d7 100644
--- a/modules/submission.js
+++ b/modules/submission.js
@@ -34,7 +34,7 @@ app.get('/submissions', async (req, res) => {
     let minScore = parseInt(req.query.min_score);
     if (isNaN(minScore)) minScore = 0;
     let maxScore = parseInt(req.query.max_score);
-    if (isNaN(maxScore)) maxScore = 0;
+    if (isNaN(maxScore)) maxScore = 100;
 
     where.score = {
       $and: {