diff --git a/tetanes/src/nes/emulation.rs b/tetanes/src/nes/emulation.rs
index 30e7798c..c6ca8c7d 100644
--- a/tetanes/src/nes/emulation.rs
+++ b/tetanes/src/nes/emulation.rs
@@ -887,7 +887,11 @@ impl State {
                 when: Instant::now() + park_timeout,
             });
             if self.control_deck.is_running() && self.run_state.paused() {
-                self.send_frame();
+                // Only send a frame if there's space, which means the renderer consumed previous
+                // frames and may need the current buffer to redraw for e.g. resizing
+                if let Ok(mut frame) = self.frame_tx.try_send_ref() {
+                    self.control_deck.frame_buffer_into(&mut frame);
+                }
             }
             thread::park_timeout(park_timeout);
             return;