diff --git a/src/invidious/videos/parser.cr b/src/invidious/videos/parser.cr
index 8367fcd78..5511f53be 100644
--- a/src/invidious/videos/parser.cr
+++ b/src/invidious/videos/parser.cr
@@ -28,6 +28,15 @@ module Invidious::Videos::Parser
 
     ucid = channel_info.try { |ci| HelperExtractors.get_browse_id(ci) }
 
+    # Multi-creator ("collab") videos split the byline into several runs and
+    # the channel link isn't always attached to the first one, which left
+    # ucid empty and the related-video card without an author hyperlink (#5722).
+    # Scan every byline run for a browse id instead of only the first one.
+    if ucid.try(&.empty?) && (byline_runs = (related["shortBylineText"]? || related["longBylineText"]?)
+        .try &.dig?("runs").try &.as_a)
+      ucid = byline_runs.map { |run| HelperExtractors.get_browse_id(run) }.find { |id| !id.empty? }
+    end
+
     short_view_count = related.try do |r|
       HelperExtractors.get_short_view_count(r).to_s
     end