diff --git a/package.json b/package.json
index 05e09a8..071045c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "interlanguage-checker",
-    "version": "1.10.14",
+    "version": "1.10.15",
     "description": "Check the consistency of MediaWiki interlanguage links in a simple overview.",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",
diff --git a/src/main/js/Main.js b/src/main/js/Main.js
index 7457687..114f3a2 100644
--- a/src/main/js/Main.js
+++ b/src/main/js/Main.js
@@ -127,7 +127,7 @@ doAfterLoad(async () => {
 
     // Read inputs from cookies
     const apiUrl = localStorage.getItem("/tools/interlanguage-checker//api-url");
-    if (apiUrl !== undefined && apiUrl.trim() !== "") {
+    if (apiUrl !== null && apiUrl.trim() !== "") {
         urlInput.setValue(apiUrl);
         articleInput.input.focus();
     }