diff --git a/keepassxc-browser/background/page.js b/keepassxc-browser/background/page.js
index c825f59..4f82bc1 100644
--- a/keepassxc-browser/background/page.js
+++ b/keepassxc-browser/background/page.js
@@ -46,6 +46,15 @@ page.initOpenedTabs = function() {
 		for (const i of tabs) {
 			page.createTabEntry(i.id);
 		}
+
+		// set initial tab-ID
+		browser.tabs.query({ "active": true, "currentWindow": true }).then((tabs) => {
+			if (tabs.length === 0) {
+				return; // For example: only the background devtools or a popup are opened
+			}
+			page.currentTabId = tabs[0].id;
+			browserAction.show(null, tabs[0]);
+		});
 	});
 }