diff --git a/classes/helper/HelperTreeCategories.php b/classes/helper/HelperTreeCategories.php
index 003388a1c..2ba630f01 100644
--- a/classes/helper/HelperTreeCategories.php
+++ b/classes/helper/HelperTreeCategories.php
@@ -215,13 +215,13 @@ class HelperTreeCategoriesCore extends TreeCore
 		$collapse_all = new TreeToolbarLink(
 			'Collapse All',
 			'#',
-			'$(\'#'.$this->getId().'\').tree(\'collapseAll\');$(\'#collapse-all-'.$this->getId().'\').hide();$(\'#expand-all-'.$this->getId().'\').show();',
+			'$(\'#'.$this->getId().'\').tree(\'collapseAll\');$(\'#collapse-all-'.$this->getId().'\').hide();$(\'#expand-all-'.$this->getId().'\').show(); return false;',
 			'icon-collapse-alt');
 		$collapse_all->setAttribute('id', 'collapse-all-'.$this->getId());
 		$expand_all = new TreeToolbarLink(
 			'Expand All',
 			'#',
-			'$(\'#'.$this->getId().'\').tree(\'expandAll\');$(\'#collapse-all-'.$this->getId().'\').show();$(\'#expand-all-'.$this->getId().'\').hide();',
+			'$(\'#'.$this->getId().'\').tree(\'expandAll\');$(\'#collapse-all-'.$this->getId().'\').show();$(\'#expand-all-'.$this->getId().'\').hide(); return false;',
 			'icon-expand-alt');
 		$expand_all->setAttribute('id', 'expand-all-'.$this->getId());
 		$this->addAction($collapse_all);
@@ -232,13 +232,13 @@ class HelperTreeCategoriesCore extends TreeCore
 			$check_all = new TreeToolbarLink(
 				'Check All',
 				'#',
-				'checkAllAssociatedCategories($(\'#'.$this->getId().'\'));',
+				'checkAllAssociatedCategories($(\'#'.$this->getId().'\')); return false;',
 				'icon-check-sign');
 			$check_all->setAttribute('id', 'check-all-'.$this->getId());
 			$uncheck_all = new TreeToolbarLink(
 				'Uncheck All',
 				'#',
-				'uncheckAllAssociatedCategories($(\'#'.$this->getId().'\'));',
+				'uncheckAllAssociatedCategories($(\'#'.$this->getId().'\')); return false;',
 				'icon-check-empty');
 			$uncheck_all->setAttribute('id', 'uncheck-all-'.$this->getId());
 			$this->addAction($check_all);
diff --git a/classes/helper/HelperTreeShops.php b/classes/helper/HelperTreeShops.php
index 962aeb2e8..652bf89be 100644
--- a/classes/helper/HelperTreeShops.php
+++ b/classes/helper/HelperTreeShops.php
@@ -115,22 +115,22 @@ class HelperTreeShopsCore extends TreeCore
 			new TreeToolbarLink(
 				'Collapse All',
 				'#',
-				'$(\'#'.$this->getId().'\').tree(\'collapseAll\')',
+				'$(\'#'.$this->getId().'\').tree(\'collapseAll\'); return false;',
 				'icon-collapse-alt'),
 			new TreeToolbarLink(
 				'Expand All',
 				'#',
-				'$(\'#'.$this->getId().'\').tree(\'expandAll\')',
+				'$(\'#'.$this->getId().'\').tree(\'expandAll\'); return false;',
 				'icon-expand-alt'),
 			new TreeToolbarLink(
 				'Check All',
 				'#',
-				'checkAllAssociatedShops($(\'#'.$this->getId().'\'));',
+				'checkAllAssociatedShops($(\'#'.$this->getId().'\')); return false;',
 				'icon-check-sign'),
 			new TreeToolbarLink(
 				'Uncheck All',
 				'#',
-				'uncheckAllAssociatedShops($(\'#'.$this->getId().'\'));',
+				'uncheckAllAssociatedShops($(\'#'.$this->getId().'\')); return false;',
 				'icon-check-empty')
 			)
 		);