diff --git a/libmisc/ev-page-action-widget.c b/libmisc/ev-page-action-widget.c
index 5274cb73..3d41019d 100644
--- a/libmisc/ev-page-action-widget.c
+++ b/libmisc/ev-page-action-widget.c
@@ -216,8 +216,8 @@ ev_page_action_widget_init (EvPageActionWidget *action_widget)
 	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
 
         style_context = gtk_widget_get_style_context (hbox);
-        gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_RAISED);
-        gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_LINKED);
+        gtk_style_context_add_class (style_context, "raised");
+        gtk_style_context_add_class (style_context, "linked");
 
 	action_widget->entry = gtk_entry_new ();
 	gtk_widget_add_events (action_widget->entry,
diff --git a/libmisc/ev-search-box.c b/libmisc/ev-search-box.c
index 31f79fcb..f64e8f2f 100644
--- a/libmisc/ev-search-box.c
+++ b/libmisc/ev-search-box.c
@@ -101,7 +101,8 @@ find_job_finished_cb (EvJobFind   *job,
         if (!ev_job_find_has_results (job)) {
                 EvSearchBoxPrivate *priv = GET_PRIVATE (box);
 
-                gtk_style_context_add_class (gtk_widget_get_style_context (priv->entry), GTK_STYLE_CLASS_ERROR);
+                gtk_style_context_add_class (gtk_widget_get_style_context (priv->entry),
+					     "error");
 
                 gtk_entry_set_icon_from_icon_name (GTK_ENTRY (priv->entry),
                                                    GTK_ENTRY_ICON_PRIMARY,