diff --git a/src/main/resources/static/assets/js/project_common.js b/src/main/resources/static/assets/js/project_common.js
index 7722bb1..a848702 100644
--- a/src/main/resources/static/assets/js/project_common.js
+++ b/src/main/resources/static/assets/js/project_common.js
@@ -24,7 +24,7 @@ function f2(x) {
     if (isNaN(f)) {
         return 0;
     }
-    return Math.round(x*100)/100;
+    return Math.round(f*100)/100;
 }
 
 /**