diff --git a/browserAction/browserAction.js b/browserAction/browserAction.js
index 0a54ba0..1e79604 100644
--- a/browserAction/browserAction.js
+++ b/browserAction/browserAction.js
@@ -13,7 +13,7 @@
 	logging.message("Opened browser action");
 	
 	
-	browser.tabs.query({active: true}).then(async function([currentTab]){
+	browser.tabs.query({active: true, currentWindow: true}).then(async function([currentTab]){
 		function isWhitelisted(url){
 			if (!(url instanceof URL)){
 				url = new URL(url);
diff --git a/releaseNotes.txt b/releaseNotes.txt
index 5b7a178..57db683 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -10,6 +10,7 @@ Version 1.9:
 	
 	fixes:
 		- errors in URL regular expressions broke CB
+		- use correct tab in browserAction (private browsing)
 	
 	known issues:
 		- if a data URL is blocked the page action button does not appear
diff --git a/versions/updates.json b/versions/updates.json
index 98b1b9d..2014218 100644
--- a/versions/updates.json
+++ b/versions/updates.json
@@ -241,6 +241,10 @@
 				{
 					"version": "1.9Alpha20230325",
 					"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-1.9Alpha20230325.xpi"
+				},
+				{
+					"version": "1.9Alpha20230407",
+					"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-1.9Alpha20230407.xpi"
 				}
 			]
 		}