--- a/ui/gtk/range.c	Mon Sep 16 22:09:32 2024 +0200
+++ b/ui/gtk/range.c	Tue Sep 17 22:00:07 2024 +0200
@@ -36,7 +36,7 @@
 
 
 static UIWIDGET ui_scrollbar(UiObject *obj, UiOrientation orientation, UiRange *range, ui_callback f, void *userdata) {
-#ifdef UI_GTK3
+#if GTK_MAJOR_VERSION >= 3
     GtkWidget *scrollbar = gtk_scrollbar_new(orientation == UI_HORIZONTAL ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL, NULL);
 #else
     GtkWidget *scrollbar;
@@ -124,7 +124,7 @@
 #else
     gtk_adjustment_set_page_size(a, extent);
 #endif
-#if !(GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 18)
+#if GTK_MAJOR_VERSION * 100 + GTK_MIMOR_VERSION < 318
     gtk_adjustment_changed(a);
 #endif
     range->extent = extent;