diff --git a/background.js b/background.js
index 864f602..a0d81f7 100644
--- a/background.js
+++ b/background.js
@@ -2,11 +2,16 @@ var instance
 var windowWidth
 var windowHeight
 
+// prefs are not loaded once before shareURL it won't work on first click.
+var gettingPrefs = browser.storage.local.get(["instance_url","window_width","window_height"]);
+gettingPrefs.then(onGot,onError);
+
 function shareURL(){
 	browser.tabs.query({active: true},function(tabs){
 
+		// prefs are loaded again when the function is called to manage changes in the options page.
 		let gettingPrefs = browser.storage.local.get(["instance_url","window_width","window_height"]);
-		gettingPrefs.then(onGot, onError);
+		gettingPrefs.then(onGot,onError);
 
 		var tab = tabs[0];
 
diff --git a/manifest.json b/manifest.json
index 2101f0b..f08e01d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
 	"manifest_version" : 2,
 	"name": "Add to (Semantic)Scuttle",
-	"version" : "0.4",
+	"version" : "0.5",
 	"description" : "Add bookmarks to a (Semantic)Scuttle instance, a social bookmarking tool experimenting with tags and collaborative tag descriptions.",
 	"homepage_url" : "https://github.com/FrenchHope/Add-to-Semantic-Scuttle-WebExt",
 	"icons" : {