diff --git a/lib/check.js b/lib/check.js
index ae269f7..5020a29 100644
--- a/lib/check.js
+++ b/lib/check.js
@@ -25,6 +25,7 @@
 		);
 		if (match){
 			return {
+				url: url,
 				type: (match[2] === "Everything" || match[2] === "")?
 					["context", "readout", "input"]:
 					[match[2].toLowerCase()],
@@ -33,6 +34,7 @@
 		}
 		else {
 			return {
+				url: url,
 				type: ["context", "readout", "input"],
 				mode: "block"
 			};
diff --git a/lib/intercept.js b/lib/intercept.js
index 7eea9f5..00979c6 100644
--- a/lib/intercept.js
+++ b/lib/intercept.js
@@ -211,7 +211,7 @@
 				if (checkStack(error.stack)){
 					return {allow: true, original, window};
 				}
-				var funcStatus = changedFunction.getStatus(this, siteStatus);
+				var funcStatus = changedFunction.getStatus(this, siteStatus, prefs);
 				
 				function notifyCallback(messageId){
 					notify({
@@ -273,7 +273,7 @@
 		if (siteStatus.mode !== "allow"){
 			apiNames.forEach(function(name){
 				var changedFunction = changedFunctions[name];
-				var functionStatus = changedFunction.getStatus(undefined, siteStatus);
+				var functionStatus = changedFunction.getStatus(undefined, siteStatus, prefs);
 				logging.verbose("status for", name, ":", functionStatus);
 				if (functionStatus.active){
 					(
@@ -312,7 +312,7 @@
 			});
 			changedGetters.forEach(function(changedGetter){
 				const name = changedGetter.name;
-				var functionStatus = changedGetter.getStatus(undefined, siteStatus);
+				var functionStatus = changedGetter.getStatus(undefined, siteStatus, prefs);
 				logging.verbose("status for", changedGetter, ":", functionStatus);
 				if (functionStatus.active){
 					changedGetter.objectGetters.forEach(function(objectGetter){
diff --git a/lib/modifiedAudioAPI.js b/lib/modifiedAudioAPI.js
index 9cb51a9..815f0fd 100644
--- a/lib/modifiedAudioAPI.js
+++ b/lib/modifiedAudioAPI.js
@@ -90,7 +90,7 @@
 	const intCache = Object.create(null);
 	
 	function fakeFloat32Array(array, window, prefs){
-		if (prefs("protectAudio")){
+		if (prefs("protectAudio", window.location)){
 			let cached = false;
 			let hash;
 			if (prefs("useAudioCache")){
@@ -121,7 +121,7 @@
 		}
 	}
 	function fakeUint8Array(array, window, prefs){
-		if (prefs("protectAudio")){
+		if (prefs("protectAudio", window.location)){
 			let cached = false;
 			let hash;
 			if (prefs("useAudioCache")){
@@ -148,9 +148,9 @@
 		randomSupply = supply;
 	};
 	
-	function getStatus(obj, status){
+	function getStatus(obj, status, prefs){
 		status = Object.create(status);
-		status.active = hasType(status, "readout");
+		status.active = prefs("protectAudio", status.url) && hasType(status, "readout");
 		return status;
 	}
 	
diff --git a/lib/modifiedWindowAPI.js b/lib/modifiedWindowAPI.js
index aa0cbc0..b8472c6 100644
--- a/lib/modifiedWindowAPI.js
+++ b/lib/modifiedWindowAPI.js
@@ -73,9 +73,9 @@
 		}
 	];
 	
-	function getStatus(obj, status){
+	function getStatus(obj, status, prefs){
 		status = Object.create(status);
-		status.active = hasType(status, "readout");
+		status.active = prefs("protectWindow", status.url) && hasType(status, "readout");
 		return status;
 	}
 	
diff --git a/releaseNotes.txt b/releaseNotes.txt
index fbb1923..efa48a7 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -6,7 +6,7 @@ Version 0.5.4:
 		- added save/load directly to/from file option
 	
 	fixes:
-		- 
+		- window and audio API were always blocked when using any of the "block ..." modes
 	
 	known issues:
 		- if a data URL is blocked the page action button does not appear