diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 000000000..bbf93514c
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,2 @@
+ignore:
+  - "qiita_db/support_files/**/*"
diff --git a/qiita_pet/templates/list_studies.html b/qiita_pet/templates/list_studies.html
index 7f7a9fefe..f7db79034 100644
--- a/qiita_pet/templates/list_studies.html
+++ b/qiita_pet/templates/list_studies.html
@@ -309,7 +309,7 @@
     function( settings, data, data_idx, row ) {
       var tag_selected_len = tag_selected.length;
       for (var i = 0; i < tag_selected_len; i++) {
-        if (!row['study_tags'].includes(tag_selected[i])) {
+        if (row['study_tags'] === null || data === undefined || !row['study_tags'].includes(tag_selected[i])) {
           return false;
         }
       }