diff --git a/ui/media/js/image-modifiers.js b/ui/media/js/image-modifiers.js
index 3ebca1da..0a03f876 100644
--- a/ui/media/js/image-modifiers.js
+++ b/ui/media/js/image-modifiers.js
@@ -263,7 +263,7 @@ function saveCustomModifiers() {
 }
 
 function loadCustomModifiers() {
-    let customModifiers = localStorage.getItem(CUSTOM_MODIFIERS_KEY)
+    let customModifiers = localStorage.getItem(CUSTOM_MODIFIERS_KEY, '')
     customModifiersTextBox.value = customModifiers
 
     if (customModifiersGroupElement !== undefined) {