diff --git a/client/src/launcher/preview.rs b/client/src/launcher/preview.rs
index 30a40b8..85e4469 100644
--- a/client/src/launcher/preview.rs
+++ b/client/src/launcher/preview.rs
@@ -326,6 +326,28 @@ impl LauncherPreview {
         self.rebuild_feed(&self.window_feeds, monitor_id, None, Some((width, height)));
     }
 
+    #[cfg(test)]
+    pub(crate) fn profile_for_test(
+        &self,
+        monitor_id: usize,
+        surface: PreviewSurface,
+    ) -> Option<(i32, i32, i32, i32, u32, u32, bool)> {
+        let feed = match surface {
+            PreviewSurface::Inline => self.inline_feeds.lock().ok()?.get(monitor_id).cloned(),
+            PreviewSurface::Window => self.window_feeds.lock().ok()?.get(monitor_id).cloned(),
+        }?;
+        let profile = feed.profile();
+        Some((
+            profile.display_width,
+            profile.display_height,
+            profile.requested_width,
+            profile.requested_height,
+            profile.requested_fps,
+            profile.max_bitrate_kbit,
+            profile.prefer_reencode,
+        ))
+    }
+
     fn rebuild_feed(
         &self,
         feeds: &Arc<Mutex<[PreviewFeed; 2]>>,
diff --git a/client/src/launcher/ui.rs b/client/src/launcher/ui.rs
index 5d58922..319a79b 100644
--- a/client/src/launcher/ui.rs
+++ b/client/src/launcher/ui.rs
@@ -461,12 +461,7 @@ fn rebind_popout_preview(
 }
 
 #[cfg(not(coverage))]
-fn sync_preview_profiles(
-    preview: &super::preview::LauncherPreview,
-    widgets: &super::ui_components::LauncherWidgets,
-    popouts: &Rc<RefCell<[Option<super::ui_components::PopoutWindowHandle>; 2]>>,
-    state: &LauncherState,
-) {
+fn apply_preview_profiles(preview: &super::preview::LauncherPreview, state: &LauncherState) {
     for monitor_id in 0..2 {
         let capture = state.capture_size_choice(monitor_id);
         let breakout = state.breakout_size_choice(monitor_id);
@@ -479,6 +474,18 @@ fn sync_preview_profiles(
             capture.preset != CaptureSizePreset::Source,
         );
         preview.set_breakout_profile(monitor_id, breakout.width, breakout.height);
+    }
+}
+
+#[cfg(not(coverage))]
+fn sync_preview_profiles(
+    preview: &super::preview::LauncherPreview,
+    widgets: &super::ui_components::LauncherWidgets,
+    popouts: &Rc<RefCell<[Option<super::ui_components::PopoutWindowHandle>; 2]>>,
+    state: &LauncherState,
+) {
+    apply_preview_profiles(preview, state);
+    for monitor_id in 0..2 {
         rebind_inline_preview(preview, widgets, monitor_id);
         rebind_popout_preview(preview, popouts, monitor_id);
     }
@@ -1900,6 +1907,60 @@ pub fn run_gui_launcher(_server_addr: String) -> Result<()> {
     Ok(())
 }
 
+#[cfg(all(test, not(coverage)))]
+mod tests {
+    use super::apply_preview_profiles;
+    use crate::launcher::preview::{LauncherPreview, PreviewSurface};
+    use crate::launcher::state::{CaptureSizePreset, LauncherState};
+
+    #[test]
+    fn fresh_preview_bootstrap_is_overridden_by_launcher_state_profiles() {
+        let preview = LauncherPreview::new("http://127.0.0.1:1".to_string()).unwrap();
+        let state = LauncherState::default();
+
+        let bootstrap = preview.profile_for_test(1, PreviewSurface::Inline).unwrap();
+        assert_eq!(bootstrap.2, 960);
+        assert_eq!(bootstrap.3, 540);
+        assert_eq!(bootstrap.4, 24);
+
+        apply_preview_profiles(&preview, &state);
+
+        let inline = preview.profile_for_test(1, PreviewSurface::Inline).unwrap();
+        assert_eq!(inline.2, 1920);
+        assert_eq!(inline.3, 1080);
+        assert_eq!(inline.4, 24);
+        assert_eq!(inline.5, 4_000);
+        assert!(inline.6);
+
+        let window = preview.profile_for_test(1, PreviewSurface::Window).unwrap();
+        assert_eq!(window.2, 1920);
+        assert_eq!(window.3, 1080);
+        assert_eq!(window.4, 30);
+        assert_eq!(window.5, 12_000);
+        assert!(window.6);
+
+        preview.shutdown_all();
+    }
+
+    #[test]
+    fn source_preview_profile_stays_honest_after_apply() {
+        let preview = LauncherPreview::new("http://127.0.0.1:1".to_string()).unwrap();
+        let mut state = LauncherState::default();
+        state.set_capture_size_preset(1, CaptureSizePreset::Source);
+
+        apply_preview_profiles(&preview, &state);
+
+        let inline = preview.profile_for_test(1, PreviewSurface::Inline).unwrap();
+        assert_eq!(inline.2, 1920);
+        assert_eq!(inline.3, 1080);
+        assert_eq!(inline.4, 30);
+        assert_eq!(inline.5, 12_000);
+        assert!(!inline.6);
+
+        preview.shutdown_all();
+    }
+}
+
 #[cfg(all(test, coverage))]
 mod tests {
     use super::{run_gui_launcher, session_preview_active};