diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index 7390269cb6..b50452cae6 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -3465,6 +3465,7 @@ gtk_css_provider_get_default (void)
         "}\n"
         "\n"
         "*:insensitive {\n"
+        "  border-color: shade (@bg_color, 0.7);\n"
         "  background-color: shade (@bg_color, 0.9);\n"
         "  color: shade (@bg_color, 0.7);\n"
         "}\n"