diff --git a/cps/static/css/upload.css b/cps/static/css/upload.css
index 8192bd39..a56dde2c 100644
--- a/cps/static/css/upload.css
+++ b/cps/static/css/upload.css
@@ -1,5 +1,5 @@
 @media (min-device-width: 768px) {
-    .modal-dialog {
+    .upload-modal-dialog {
         position: absolute;
         top: 45%;
         left: 50%;
diff --git a/cps/static/js/uploadprogress.js b/cps/static/js/uploadprogress.js
index eef5f853..afb4cc6f 100644
--- a/cps/static/js/uploadprogress.js
+++ b/cps/static/js/uploadprogress.js
@@ -19,7 +19,7 @@
     }
 
     var template = "<div class=\"modal fade\" id=\"file-progress-modal\">" +
-    "<div class=\"modal-dialog\">" +
+    "<div class=\"modal-dialog upload-modal-dialog\">" +
     "  <div class=\"modal-content\">" +
     "    <div class=\"modal-header\">" +
     "      <button type=\"button\" class=\"close\" data-dismiss=\"modal\" aria-label=\"Close\"><span aria-hidden=\"true\">&times;</span></button>" +