diff --git a/mux/mp4/src/mp4mux/imp.rs b/mux/mp4/src/mp4mux/imp.rs
index 3df3dffc..587d09d5 100644
--- a/mux/mp4/src/mp4mux/imp.rs
+++ b/mux/mp4/src/mp4mux/imp.rs
@@ -1100,10 +1100,15 @@ impl AggregatorImpl for MP4Mux {
 
         match query.view_mut() {
             QueryViewMut::Caps(q) => {
-                let allowed_caps = aggregator_pad
+                let mut allowed_caps = aggregator_pad
                     .current_caps()
                     .unwrap_or_else(|| aggregator_pad.pad_template_caps());
 
+                // Allow framerate change
+                for s in allowed_caps.make_mut().iter_mut() {
+                    s.remove_field("framerate");
+                }
+
                 if let Some(filter_caps) = q.filter() {
                     let res = filter_caps
                         .intersect_with_mode(&allowed_caps, gst::CapsIntersectMode::First);