diff --git a/toolkit/components/console/hudservice/HUDService.jsm b/toolkit/components/console/hudservice/HUDService.jsm
index c6076845e98..f6e46b7c344 100644
--- a/toolkit/components/console/hudservice/HUDService.jsm
+++ b/toolkit/components/console/hudservice/HUDService.jsm
@@ -2824,6 +2824,10 @@ HUD_SERVICE.prototype =
     let windowUI = nBox.ownerDocument.getElementById("console_window_" + hudId);
     if (windowUI) {
       // The Web Console popup is already open, no need to continue.
+      if (aContentWindow == aContentWindow.top) {
+        let hud = this.hudReferences[hudId];
+        hud.reattachConsole(aContentWindow);
+      }
       return;
     }
 
@@ -3228,10 +3232,8 @@ HeadsUpDisplay.prototype = {
 
     let panel = this.chromeDocument.createElementNS(XUL_NS, "panel");
 
-    let label = this.getStr("webConsoleOwnWindowTitle");
-
     let config = { id: "console_window_" + this.hudId,
-                   label: label,
+                   label: this.getPanelTitle(),
                    titlebar: "normal",
                    noautohide: "true",
                    norestorefocus: "true",
@@ -3360,6 +3362,17 @@ HeadsUpDisplay.prototype = {
     return panel;
   },
 
+  /**
+   * Retrieve the Web Console panel title.
+   *
+   * @return string
+   *         The Web Console panel title.
+   */
+  getPanelTitle: function HUD_getPanelTitle()
+  {
+    return this.getFormatStr("webConsoleWindowTitleAndURL", [this.uriSpec]);
+  },
+
   positions: {
     above: 0, // the childNode index
     below: 2,
@@ -3511,6 +3524,10 @@ HeadsUpDisplay.prototype = {
     this.contentDocument = this.contentWindow.document;
     this.uriSpec = this.contentWindow.location.href;
 
+    if (this.consolePanel) {
+      this.consolePanel.label = this.getPanelTitle();
+    }
+
     if (!this.jsterm) {
       this.createConsoleInput(this.contentWindow, this.consoleWrap, this.outputNode);
     }
diff --git a/toolkit/components/console/hudservice/tests/browser/Makefile.in b/toolkit/components/console/hudservice/tests/browser/Makefile.in
index 3e4adba9741..c358190005a 100644
--- a/toolkit/components/console/hudservice/tests/browser/Makefile.in
+++ b/toolkit/components/console/hudservice/tests/browser/Makefile.in
@@ -142,6 +142,7 @@ _BROWSER_TEST_FILES = \
 	browser_webconsole_bug_585991_autocomplete_popup.js \
 	browser_webconsole_bug_585991_autocomplete_keys.js \
 	browser_webconsole_bug_651501_document_body_autocomplete.js \
+	browser_webconsole_bug_663443_panel_title.js \
 	head.js \
 	$(NULL)
 
diff --git a/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_663443_panel_title.js b/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_663443_panel_title.js
new file mode 100644
index 00000000000..3828e1c1ba8
--- /dev/null
+++ b/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_663443_panel_title.js
@@ -0,0 +1,45 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const TEST_URI = "data:text/html,<p>test for bug 663443. test1";
+
+const POSITION_PREF = "devtools.webconsole.position";
+
+function tabLoad(aEvent) {
+  browser.removeEventListener(aEvent.type, arguments.callee, true);
+
+  Services.prefs.setCharPref(POSITION_PREF, "window");
+
+  openConsole();
+
+  document.addEventListener("popupshown", function() {
+    document.removeEventListener("popupshown", arguments.callee, false);
+
+    let hudId = HUDService.getHudIdByWindow(content);
+    ok(hudId, "Web Console is open");
+
+    let HUD = HUDService.hudReferences[hudId];
+    ok(HUD.consolePanel, "Web Console opened in a panel");
+
+    isnot(HUD.consolePanel.label.indexOf("test1"), -1, "panel title is correct");
+
+    browser.addEventListener("load", function() {
+      browser.removeEventListener("load", arguments.callee, true);
+
+      isnot(HUD.consolePanel.label.indexOf("test2"), -1,
+            "panel title is correct after page navigation");
+
+      Services.prefs.clearUserPref(POSITION_PREF);
+
+      executeSoon(finish);
+    }, true);
+
+    content.location = "data:text/html,<p>test2 for bug 663443";
+  }, false);
+}
+
+function test() {
+  addTab(TEST_URI);
+  browser.addEventListener("load", tabLoad, true);
+}
diff --git a/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties b/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties
index fd7e1557ab0..19f01743671 100644
--- a/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties
+++ b/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties
@@ -135,9 +135,9 @@ webConsolePositionBelow=Below
 # Web Console interface is displayed in a floating panel.
 webConsolePositionWindow=Window
 
-# LOCALIZATION NOTE (webConsoleOwnWindowTitle): The Web Console floating panel
-# title.
-webConsoleOwnWindowTitle=Web Console
+# LOCALIZATION NOTE (webConsoleWindowTitleAndURL): The Web Console floating
+# panel title, followed by the web page URL.
+webConsoleWindowTitleAndURL=Web Console - %S
 
 # LOCALIZATION NOTE (Autocomplete.label):
 # The autocomplete popup panel label/title.