diff --git a/platform/platform-impl/src/com/intellij/ide/plugins/AvailablePluginsManagerMain.java b/platform/platform-impl/src/com/intellij/ide/plugins/AvailablePluginsManagerMain.java
index 8ed569bae70f..66e951cb1a2f 100644
--- a/platform/platform-impl/src/com/intellij/ide/plugins/AvailablePluginsManagerMain.java
+++ b/platform/platform-impl/src/com/intellij/ide/plugins/AvailablePluginsManagerMain.java
@@ -25,6 +25,7 @@ import com.intellij.openapi.application.ex.ApplicationInfoEx;
 import com.intellij.openapi.extensions.PluginId;
 import com.intellij.openapi.options.ShowSettingsUtil;
 import com.intellij.openapi.project.DumbAware;
+import com.intellij.openapi.project.DumbAwareAction;
 import com.intellij.openapi.updateSettings.impl.UpdateSettings;
 import com.intellij.ui.DoubleClickListener;
 import com.intellij.ui.ScrollPaneFactory;
@@ -237,7 +238,7 @@ public class AvailablePluginsManagerMain extends PluginManagerMain {
     }
 
     private AnAction createFilterByCategoryAction(final String availableCategory) {
-      return new AnAction(availableCategory) {
+      return new DumbAwareAction(availableCategory) {
         @Override
         public void actionPerformed(AnActionEvent e) {
           final String filter = myFilter.getFilter().toLowerCase(Locale.ENGLISH);
@@ -280,7 +281,7 @@ public class AvailablePluginsManagerMain extends PluginManagerMain {
     }
 
     private AnAction createFilterByRepositoryAction(final String host) {
-      return new AnAction(host) {
+      return new DumbAwareAction(host) {
         @Override
         public void actionPerformed(AnActionEvent e) {
           final String filter = myFilter.getFilter().toLowerCase(Locale.ENGLISH);
diff --git a/platform/platform-impl/src/com/intellij/ide/plugins/sorters/AbstractSortByAction.java b/platform/platform-impl/src/com/intellij/ide/plugins/sorters/AbstractSortByAction.java
index e817f6ad823b..a77222bdc3ff 100644
--- a/platform/platform-impl/src/com/intellij/ide/plugins/sorters/AbstractSortByAction.java
+++ b/platform/platform-impl/src/com/intellij/ide/plugins/sorters/AbstractSortByAction.java
@@ -20,11 +20,12 @@ import com.intellij.ide.plugins.PluginTable;
 import com.intellij.ide.plugins.PluginTableModel;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.ToggleAction;
+import com.intellij.openapi.project.DumbAware;
 
 /**
  * @author Konstantin Bulenkov
  */
-public abstract class AbstractSortByAction extends ToggleAction {
+public abstract class AbstractSortByAction extends ToggleAction implements DumbAware {
   protected final PluginTable myTable;
   protected final PluginTableModel myModel;