diff --git a/source/m_editor_colors.cpp b/source/m_editor_colors.cpp
index 07f1b20..1499a6a 100644
--- a/source/m_editor_colors.cpp
+++ b/source/m_editor_colors.cpp
@@ -28,6 +28,7 @@ namespace modules
                 if (mouse_inside) {
                     const int new_color = (my-1)/10;
                     room::editor::refColor() = new_color;
+                    room::editor::modify();
                     return false;
                 } else {
                     return false;