diff --git a/lib/frame.js b/lib/frame.js
index 9b4dc84..cd37dce 100644
--- a/lib/frame.js
+++ b/lib/frame.js
@@ -45,6 +45,10 @@
 	
 	message("open port to background script");
 	var port = browser.runtime.connect();
+	if (window === window.top){
+		message("Is top level window -> tab had navigation -> clear page action");
+		port.postMessage({"canvasBlocker-clear-page-action": true});
+	}
 	var tabId;
 	port.onMessage.addListener(function(data){
 		message("Got data from port", data);
diff --git a/lib/main.js b/lib/main.js
index ac184dc..2c3b804 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -64,6 +64,10 @@
 						browser.pageAction.show(port.sender.tab.id);
 					}
 				}
+				if (data.hasOwnProperty("canvasBlocker-clear-page-action")){
+					notice("Hide page action for tab", port.sender.tab.id);
+					browser.pageAction.hide(port.sender.tab.id);
+				}
 				verbose("got data", data, "from port", port);
 			});
 		});
@@ -80,13 +84,6 @@
 				});
 			}
 		});
-		
-		// hide page action when a tab is refreshed
-		browser.tabs.onUpdated.addListener(function(tabId, data){
-			if (data.status && data.status === "loading"){
-				browser.pageAction.hide(tabId);
-			}
-		});
 	});
 	
 	browser.runtime.onInstalled.addListener(function(){
diff --git a/releaseNotes.txt b/releaseNotes.txt
index a041a35..a913079 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -9,7 +9,7 @@ Version 0.4.3:
 		- 
 	
 	fixes:
-		- 
+		- page action was not always showing
 
 Version 0.4.2
 	new features: