diff --git a/lib/main.js b/lib/main.js
index fc3a46b..582fcb9 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -140,6 +140,17 @@
 	// unload(function(){
 		// processes.port.emit("canvasBlocker-unload");
 	// });
+	
+	browser.runtime.onInstalled.addListener(function(){
+		log("CanvasBlocker installed");
+		browser.storage.local.get("storageVersion").then(function(data){
+			if (data.storageVersion !== 0.1){
+				browser.storage.local.set({
+					storageVersion: 0.1
+				});
+			}
+		});
+	});
 
 	log("end");
 }());
\ No newline at end of file