diff --git a/jeannie b/jeannie
index bc14f8b..2dfff26 100755
--- a/jeannie
+++ b/jeannie
@@ -4444,12 +4444,12 @@ pimox_worker_count_default() {
     if [[ -s "${spec_file}" ]]; then
         count="$(awk -F'\t' -v key_prefix="${worker_key_prefix}" -v node_prefix="${worker_node_prefix}-" '
             $1 ~ "^" key_prefix "[0-9]+$" {
-                index = substr($1, length(key_prefix) + 1) + 0
-                if (index > max) max = index
+                worker_index = substr($1, length(key_prefix) + 1) + 0
+                if (worker_index > max) max = worker_index
             }
             $4 ~ "^" node_prefix "[0-9]+$" {
-                index = substr($4, length(node_prefix) + 1) + 0
-                if (index > max) max = index
+                worker_index = substr($4, length(node_prefix) + 1) + 0
+                if (worker_index > max) max = worker_index
             }
             END { print max + 0 }
         ' "${spec_file}")"