diff --git a/.gitea/workflows/scripts/build-activity-log.sh b/.gitea/workflows/scripts/build-activity-log.sh
index 216c894..a7b1381 100755
--- a/.gitea/workflows/scripts/build-activity-log.sh
+++ b/.gitea/workflows/scripts/build-activity-log.sh
@@ -50,7 +50,7 @@ echo "usage: in=$IN_TOTAL out=$OUT cost=$COSTF (fresh=$INP cache_r=$CR cache_w=$
 # and the full token/cost breakdown.
 {
   printf '\n\n<details>\n<summary>details</summary>\n\n'
-  printf '🔧 %s tool calls · in %s · out %s tokens · %s\n\n' "$n" "$IN_TOTAL" "$OUT" "$COSTF"
+  printf '🔧 %s tool calls · in %s · out %s tokens · %s · model %s\n\n' "$n" "$IN_TOTAL" "$OUT" "$COSTF" "${MODEL:-?}"
   if [ "$n" -gt 0 ]; then cat /tmp/tools.md; else printf '_(no tool calls — text-only reply)_\n'; fi
   printf '\n\n<sub>tokens — input %s (fresh %s · cache %sw / %sr) · output %s · reasoning %s · **%s**</sub>\n</details>' \
     "$IN_TOTAL" "$INP" "$CW" "$CR" "$OUT" "$RE" "$COSTF"