diff --git a/src/searchEngine.cpp b/src/searchEngine.cpp
index 4ab47f1a3..029b3404f 100644
--- a/src/searchEngine.cpp
+++ b/src/searchEngine.cpp
@@ -173,7 +173,8 @@ void SearchEngine::tab_changed(int t)
 }
 
 void SearchEngine::on_enginesButton_clicked() {
-  new engineSelectDlg(this, supported_engines);
+  engineSelectDlg *dlg = new engineSelectDlg(this, supported_engines);
+  connect(dlg, SIGNAL(enginesChanged()), this, SLOT(fillCatCombobox()));
 }
 
 // get the last searchs from a QSettings to a QStringList
diff --git a/src/supportedEngines.h b/src/supportedEngines.h
index e07283f90..1f3a51d71 100644
--- a/src/supportedEngines.h
+++ b/src/supportedEngines.h
@@ -123,11 +123,13 @@ public:
   QStringList supportedCategories() const {
     QStringList supported_cat;
     foreach(SupportedEngine *engine, values()) {
-      QStringList s = engine->getSupportedCategories();
-      foreach(QString cat, s) {
-        cat = cat.trimmed();
-        if(!cat.isEmpty() && !supported_cat.contains(cat))
-          supported_cat << cat;
+      if(engine->isEnabled()) {
+        QStringList s = engine->getSupportedCategories();
+        foreach(QString cat, s) {
+          cat = cat.trimmed();
+          if(!cat.isEmpty() && !supported_cat.contains(cat))
+            supported_cat << cat;
+        }
       }
     }
     return supported_cat;