diff --git a/canvasblocker.xpi b/canvasblocker.xpi
index 6b19818..821854c 100644
Binary files a/canvasblocker.xpi and b/canvasblocker.xpi differ
diff --git a/data/inject.js b/data/inject.js
index 02ba040..0c4cd8b 100644
--- a/data/inject.js
+++ b/data/inject.js
@@ -4,9 +4,9 @@ var askFunctionName = Math.random().toString(16);
 function checkPDF(blocking){
 	if (unsafeWindow.document.contentType.match(/\/pdf$/i)){
 		self.port.emit("isPDF", blocking);
-		return false;
+		return true;
 	}
-	return true;
+	return false;
 }
 
 function block(force){
diff --git a/lib/main.js b/lib/main.js
index 11ead3e..a29b4d6 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -8,7 +8,24 @@ function getDomainRegExpList(domainList){
 			return !!entry.length;
 		})
 		.map(function(entry){
-			return new RegExp("(?:^|\\.)" + entry.replace(/([\\\+\*\?\[\^\]\$\(\)\{\}\=\!\|\.])/g, "\\$1") + "\\.?$", "i");
+			var regExp;
+			var domain = !!entry.match(/^[\w.]+$/);
+			if (domain){
+				regExp = new RegExp("(?:^|\\.)" + entry.replace(/([\\\+\*\?\[\^\]\$\(\)\{\}\=\!\|\.])/g, "\\$1") + "\\.?$", "i")
+			}
+			else {
+				regExp = new RegExp(entry, "i");
+			}
+			return {
+				match: function(url){
+					if (domain){
+						return url.hostname.match(regExp);
+					}
+					else {
+						return url.href.match(regExp);
+					}
+				}
+			};
 		});
 }
 
@@ -52,14 +69,14 @@ function checkWorker(worker){
 	else {
 		var url = new URL(worker.url);
 		var inBlackList = blackList.some(function(entry){
-			return url.hostname.match(entry);
+			return entry.match(url);
 		});
 		if (inBlackList){
 			worker.port.emit("block");
 		}
 		else {
 			var inWhiteList = whiteList.some(function(entry){
-				return url.hostname.match(entry);
+				return entry.match(url);
 			});
 			if (inWhiteList){
 				worker.port.emit("unblock");
diff --git a/package.json b/package.json
index 3f05939..a3b5999 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
 			"title": "White list",
 			"description": "Domains where the <canvas>-API should not be blocked. To add multiple domains seperate them by comma.",
 			"type": "string",
-			"value": "kkapsner.de"
+			"value": "kkapsner.de,^https?://(\\\\w+\\\\.)*google.[a-z]+/maps"
 		},
 		{
 			"name": "blockAll",
@@ -42,6 +42,6 @@
 	],
 	"author": "Korbinian Kapsner",
 	"license": "MPL 2.0",
-	"version": "0.1",
+	"version": "0.1.1",
 	"permissions": {"private-browsing": true}
 }