better check

diff --git a/src/wolnelektury/static/js/book_text/references.js b/src/wolnelektury/static/js/book_text/references.js
index 89663a6..0585d84 100644 (file)
--- a/src/wolnelektury/static/js/book_text/references.js
+++ b/src/wolnelektury/static/js/book_text/references.js
@@ -4,7 +4,7 @@
     if (interestingReferences) {
         interestingReferences = $.parseJSON(interestingReferences);
     }
-    if (interestingReferences) {
+    if (Object.keys(interestingReferences).length) {
         $("#settings-references").css('display', 'block');
     }