diff --git a/src/gtktechnology.c b/src/gtktechnology.c
index 92cb00c..6dc5054 100644
--- a/src/gtktechnology.c
+++ b/src/gtktechnology.c
@@ -63,6 +63,13 @@ static void gtk_technology_class_init(GtkTechnologyClass *klass)
 					sizeof(GtkTechnologyPrivate));
 }
 
+// on 3.12.x the _start and _end versions of these functions were renamed
+// make sure to still support the old names
+#if ! GTK_CHECK_VERSION(3,12,0)
+#define gtk_widget_set_margin_start gtk_widget_set_margin_left
+#define gtk_widget_set_margin_end gtk_widget_set_margin_right
+#endif
+
 static void gtk_technology_init(GtkTechnology *technology)
 {
 	GtkTechnologyPrivate *priv;