diff --git a/emulators/vkquake.yml b/emulators/vkquake.yml
index fd0fd1c16..7b05eed89 100644
--- a/emulators/vkquake.yml
+++ b/emulators/vkquake.yml
@@ -5,6 +5,7 @@ source: "https://github.com/Novum/vkQuake"
 upstream: "https://sourceforge.net/projects/quakespasm/"
 profiled_date: "2026-10-23"
 source_commit: "a6cfba6904e0743dae4235f9dad9711bb5bd27f1"
+prose_written_at: "a6cfba6904e0743dae4235f9dad9711bb5bd27f1"
 core_version: "1.37.1"
 version_basis:
   kind: file