diff --git a/dclint.sh b/dclint.sh
index 9b03c37..b7b0549 100755
--- a/dclint.sh
+++ b/dclint.sh
@@ -4,12 +4,24 @@ set -euo pipefail
 SCRIPT_DIR="$(dirname -- "$(readlink -f -- "${BASH_SOURCE[0]}")")"
 STACKS_DIR="${STACKS_DIR:-$SCRIPT_DIR}"
 docker_args=(--rm -v "$STACKS_DIR:/app")
-dclint_args=(. -r)
+dclint_args=()
 
 if [[ -t 1 ]]; then
 	docker_args+=(-t)
 fi
 
+# Scan immediate stack directories without recursing into their subdirectories.
+shopt -s nullglob
+for stack_dir in "$STACKS_DIR"/*/; do
+	stack_dir="${stack_dir%/}"
+	dclint_args+=("/app/${stack_dir##*/}")
+done
+
+if ((${#dclint_args[@]} == 0)); then
+	printf 'No stack directories found in %s\n' "$STACKS_DIR" >&2
+	exit 1
+fi
+
 case "${1:-}" in
 "")
 	;;