diff --git a/src/main.ts b/src/main.ts
index d55ef56..054b40b 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -112,6 +112,7 @@ function main() {
   root.addEventListener("keydown", handleKeydown);
   root.addEventListener("touchstart", handleTouchmove, { passive: false });
   root.addEventListener("touchmove", handleTouchmove, { passive: false });
+  root.addEventListener("mousedown", handleMouseMove);
   root.addEventListener("mousedown", () => {
     root.addEventListener("mousemove", handleMouseMove);
   });