diff --git a/Userland/Libraries/LibWeb/HTML/AnimationFrameCallbackDriver.h b/Userland/Libraries/LibWeb/HTML/AnimationFrameCallbackDriver.h
index 4aaa423555..3a17167a94 100644
--- a/Userland/Libraries/LibWeb/HTML/AnimationFrameCallbackDriver.h
+++ b/Userland/Libraries/LibWeb/HTML/AnimationFrameCallbackDriver.h
@@ -15,7 +15,7 @@
 namespace Web::HTML {
 
 struct AnimationFrameCallbackDriver {
-    using Callback = Function<void(i32)>;
+    using Callback = Function<void(double)>;
 
     AnimationFrameCallbackDriver()
     {