diff --git a/extension/chrome/content/spa_eye/spa_eyePanel.js b/extension/chrome/content/spa_eye/spa_eyePanel.js
index ba57fa9..1c8d25c 100644
--- a/extension/chrome/content/spa_eye/spa_eyePanel.js
+++ b/extension/chrome/content/spa_eye/spa_eyePanel.js
@@ -139,8 +139,25 @@ define([
                 var scriptPanel = this.context.getPanel('script'),
                     hooked = this.context.spa_eyeObj.hooked();
 
-                var warn = !(hooked && scriptPanel && !scriptPanel.showWarning());
-                return warn ? this.showNotHooked() : false;
+                if (!(hooked && scriptPanel && !scriptPanel.showWarning())) {
+                    return this.showNotHooked();
+                } else {
+                    try {
+                        var v = Firebug.getVersion().split('.');
+                        if (parseInt(v[0], 10) === 1 && parseInt(v[1], 10) < 11) {
+                            return this.showFirebugUpgrade();
+                        }
+                    } catch (e) {}
+                }
+                return false;
+            },
+
+            showFirebugUpgrade:function () {
+                var args = {
+                    pageTitle:Locale.$STR("spa_eye.warning.upgrade_firebug"),
+                    suggestion:Locale.$STR("spa_eye.suggestion.upgrade_firebug")
+                };
+                return this.WarningRep.tag.replace(args, this.panelNode);
             },
 
             showNotHooked:function () {
diff --git a/extension/chrome/locale/en-US/spa_eye.properties b/extension/chrome/locale/en-US/spa_eye.properties
index e85fa40..28b0f9b 100644
--- a/extension/chrome/locale/en-US/spa_eye.properties
+++ b/extension/chrome/locale/en-US/spa_eye.properties
@@ -43,4 +43,5 @@ spa_eye.logs.noerror=No error recorded during introspection so far.
 spa_eye.warning.inactive_during_page_load=Not recognized as a Backbone application or Backbone Eye was inactive during page load.
 spa_eye.suggestion.inactive_during_page_load2=<a>Reload</a> to activate Backbone Eye. Please ensure that the Script panel is enabled too.
 
-
+spa_eye.warning.upgrade_firebug=Spa-eye is not supported with this firebug version.
+spa_eye.suggestion.upgrade_firebug=Please upgrade your firebug version to latest version.