diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index 1c9b55041a..0c94a45363 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -4022,6 +4022,11 @@ gtk_css_provider_get_default (void)
         "  border-color: shade (@bg_color, 0.8);\n"
         "}\n"
         "\n"
+        "GtkSwitch.trough:active {\n"
+        "  background-color: @selected_bg_color;\n"
+        "  color: @selected_fg_color;\n"
+        "}\n"
+        "\n"
         "GtkToggleButton.button:inconsistent {\n"
         "  border-style: outset;\n"
         "  border-width: 1px;\n"