diff --git a/dwlb.c b/dwlb.c
index 7e843e9..f512caa 100644
--- a/dwlb.c
+++ b/dwlb.c
@@ -591,7 +591,11 @@ pointer_enter(void *data, struct wl_pointer *pointer,
 	}
 
 	if (!cursor_image) {
-		struct wl_cursor_theme *cursor_theme = wl_cursor_theme_load(NULL, 24 * buffer_scale, shm);
+		const char *size_str = getenv("XCURSOR_SIZE");
+		int size = size_str ? atoi(size_str) : 0;
+		if (size == 0)
+			size = 24;
+		struct wl_cursor_theme *cursor_theme = wl_cursor_theme_load(getenv("XCURSOR_THEME"), size * buffer_scale, shm);
 		cursor_image = wl_cursor_theme_get_cursor(cursor_theme, "left_ptr")->images[0];
 		cursor_surface = wl_compositor_create_surface(compositor);
 		wl_surface_set_buffer_scale(cursor_surface, buffer_scale);