diff --git a/.gitea/scripts/bats-coverage.sh b/.gitea/scripts/bats-coverage.sh
index 2529621..8fbc522 100755
--- a/.gitea/scripts/bats-coverage.sh
+++ b/.gitea/scripts/bats-coverage.sh
@@ -5,7 +5,26 @@ REPORT_DIR="${1:-}"
 
 [ -n "$REPORT_DIR" ] || { echo "ERROR: report directory required" >&2; exit 1; }
 
+COVERAGE_DIR="$REPORT_DIR/coverage"
+
 if [ -d coverage ]; then
-  mkdir -p "$REPORT_DIR/coverage"
-  cp -a coverage/. "$REPORT_DIR/coverage/"
+  mkdir -p "$COVERAGE_DIR"
+  cp -a coverage/. "$COVERAGE_DIR/"
+fi
+
+if [ -d "$COVERAGE_DIR" ] && [ ! -f "$COVERAGE_DIR/index.html" ]; then
+  SHA8="${GITHUB_SHA:0:8}"
+  {
+    echo '<!DOCTYPE html><html lang="en"><head><meta charset="utf-8">'
+    echo "<title>Coverage report ${SHA8}</title>"
+    echo '<style>body{font-family:sans-serif;margin:2em}h1{color:#1e293b}ul{list-style:none;padding:0}li{margin:.5em 0}a{color:#2563eb}</style>'
+    echo "</head><body><h1>Coverage report <code>${SHA8}</code></h1><ul>"
+    while IFS= read -r -d '' f; do
+      base=$(basename "$f")
+      name="${base%.*}"
+      name="${name//-/ }"
+      echo "<li><a href=\"${base}\">${name^}</a></li>"
+    done < <(find "$COVERAGE_DIR" -maxdepth 1 -type f \( -name '*.html' -o -name '*.txt' \) ! -name index.html -print0 2>/dev/null || true)
+    echo '</ul></body></html>'
+  } > "$COVERAGE_DIR/index.html"
 fi
