diff --git a/plugins/content_types/node_context/node_book_menu.inc b/plugins/content_types/node_context/node_book_menu.inc
index 84497c8..3412bf8 100644
--- a/plugins/content_types/node_context/node_book_menu.inc
+++ b/plugins/content_types/node_context/node_book_menu.inc
@@ -8,7 +8,7 @@ if (module_exists('book')) {
   $plugin = array(
     'single' => TRUE,
     'title' => t('Book navigation menu'),
-    'icon' => '../block/icon_core_block_menu.png',
+    'icon' => drupal_get_path('module', 'ctools') . '/plugins/content_types/block/icon_core_block_menu.png',
     'description' => t('The book menu belonging to the current book node.'),
     'required context' => new ctools_context_required(t('Node'), 'node'),
     'category' => t('Node'),
diff --git a/plugins/content_types/node_context/node_book_nav.inc b/plugins/content_types/node_context/node_book_nav.inc
index f0529b4..ca108d8 100644
--- a/plugins/content_types/node_context/node_book_nav.inc
+++ b/plugins/content_types/node_context/node_book_nav.inc
@@ -8,7 +8,7 @@ if (module_exists('book')) {
   $plugin = array(
     'single' => TRUE,
     'title' => t('Book navigation pager'),
-    'icon' => '../block/icon_core_booknavigation.png',
+    'icon' => drupal_get_path('module', 'ctools') . '/plugins/content_types/block/icon_core_booknavigation.png',
     'description' => t('The navigational pager and sub pages of the current book node.'),
     'required context' => new ctools_context_required(t('Node'), 'node'),
     'category' => t('Node'),