diff --git a/frontend/main.js b/frontend/main.js
index 7f6a1af..df8f3bd 100644
--- a/frontend/main.js
+++ b/frontend/main.js
@@ -69,8 +69,15 @@ class TPDF {
 
 
                 titleElement.appendChild(document.createTextNode(results['books'][i]['title']));
-                coverElement.src = 'output/images/' + results['books'][i]['cover'];
-                coverElement.alt = 'Cover of «' + results['books'][i]['title'] + '»';
+                if (results['books'][i]['cover'] != undefined) {
+                    coverElement.src = 'output/images/' + results['books'][i]['cover'];
+                    coverElement.alt = 'Cover of «' + results['books'][i]['title'] + '»';
+                }
+                else {
+                    coverElement.src = 'frontend/placeholder.png';
+                    coverElement.alt = '[no image]';
+                }
+
 
                 bookElement.appendChild(titleElement);
                 bookElement.appendChild(coverElement);
diff --git a/frontend/placeholder.png b/frontend/placeholder.png
new file mode 100644
index 0000000..56f6d34
Binary files /dev/null and b/frontend/placeholder.png differ