diff --git a/keepassxc-browser/background/event.js b/keepassxc-browser/background/event.js
index d91b88e..607d9da 100755
--- a/keepassxc-browser/background/event.js
+++ b/keepassxc-browser/background/event.js
@@ -137,7 +137,7 @@ kpxcEvent.onCheckUpdateKeePassXC = async function() {
 };
 
 kpxcEvent.onUpdateAvailableKeePassXC = async function() {
-    return (page.settings.checkUpdateKeePassXC !== CHECK_UPDATE_NEVER) ? keepass.keePassXCUpdateAvailable() : false;
+    return (Number(page.settings.checkUpdateKeePassXC) !== CHECK_UPDATE_NEVER) ? keepass.keePassXCUpdateAvailable() : false;
 };
 
 kpxcEvent.onRemoveCredentialsFromTabInformation = async function(tab) {
diff --git a/keepassxc-browser/background/keepass.js b/keepassxc-browser/background/keepass.js
index 08a2d31..3c6a658 100755
--- a/keepassxc-browser/background/keepass.js
+++ b/keepassxc-browser/background/keepass.js
@@ -800,10 +800,11 @@ keepass.setcurrentKeePassXCVersion = function(version) {
 };
 
 keepass.keePassXCUpdateAvailable = function() {
-    if (page.settings.checkUpdateKeePassXC && page.settings.checkUpdateKeePassXC !== CHECK_UPDATE_NEVER) {
+    const checkUpdate = Number(page.settings.checkUpdateKeePassXC);
+    if (checkUpdate !== CHECK_UPDATE_NEVER) {
         const lastChecked = (keepass.latestKeePassXC.lastChecked) ? new Date(keepass.latestKeePassXC.lastChecked) : new Date(1986, 11, 21);
         const daysSinceLastCheck = Math.floor(((new Date()).getTime() - lastChecked.getTime()) / 86400000);
-        if (daysSinceLastCheck >= page.settings.checkUpdateKeePassXC) {
+        if (daysSinceLastCheck >= checkUpdate) {
             keepass.checkForNewKeePassXCVersion();
         }