diff --git a/k8s/automated-nfs-backup.sh b/k8s/automated-nfs-backup.sh
index 5b9f72c..bc0bb59 100644
--- a/k8s/automated-nfs-backup.sh
+++ b/k8s/automated-nfs-backup.sh
@@ -122,7 +122,7 @@ capture_replicas_state() {
     for kind in "${WORKLOAD_KIND_LIST[@]}"; do
         if ! output="$(_kubectl -n "$namespace" get "$kind" -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.spec.replicas}{"\n"}{end}' 2>/dev/null)"; then
             log_warn "Failed to list kind '${kind}' in namespace '${namespace}' while capturing state"
-            ((scale_warnings++))
+            scale_warnings=$((scale_warnings + 1))
             continue
         fi
 
@@ -131,7 +131,7 @@ capture_replicas_state() {
             if [[ -z "$replicas" ]]; then
                 replicas="1"
                 log_warn "Resource ${kind}/${name} had no explicit replicas; defaulting saved value to 1"
-                ((scale_warnings++))
+                scale_warnings=$((scale_warnings + 1))
             fi
             printf '%s\t%s\t%s\n' "$kind" "$name" "$replicas" >> "$state_file"
         done <<< "$output"
@@ -160,7 +160,7 @@ scale_namespace_to_zero() {
             log_info "Scaled down ${namespace}:${kind}/${name} to 0"
         else
             log_warn "Failed to scale down ${namespace}:${kind}/${name}; continuing with backup by policy"
-            ((scale_warnings++))
+            scale_warnings=$((scale_warnings + 1))
         fi
     done < "$state_file"
 }
@@ -178,7 +178,7 @@ restore_namespace_replicas() {
             log_info "Restored ${namespace}:${kind}/${name} to ${replicas}"
         else
             log_warn "Failed to restore ${namespace}:${kind}/${name} to ${replicas}"
-            ((restore_warnings++))
+            restore_warnings=$((restore_warnings + 1))
         fi
     done < "$state_file"
 }
@@ -222,16 +222,16 @@ wait_for_scale_state() {
 
             if [[ "$direction" == "down" ]]; then
                 if [[ "$spec" != "0" || "$status" != "0" ]]; then
-                    ((unresolved++))
+                    unresolved=$((unresolved + 1))
                 fi
             else
                 if [[ "$target" == "0" ]]; then
                     if [[ "$spec" != "0" || "$status" != "0" ]]; then
-                        ((unresolved++))
+                        unresolved=$((unresolved + 1))
                     fi
                 else
                     if [[ "$spec" != "$target" || "$ready" != "$target" ]]; then
-                        ((unresolved++))
+                        unresolved=$((unresolved + 1))
                     fi
                 fi
             fi
@@ -326,12 +326,12 @@ process_folder() {
     local has_mapping=0
 
     folder_name="$(basename "$folder_path")"
-    ((total_folders++))
+    total_folders=$((total_folders + 1))
     log_info "Processing folder: ${folder_name}"
 
     if namespace="$(namespace_for_folder "$folder_name")"; then
         has_mapping=1
-        ((mapped_folders++))
+        mapped_folders=$((mapped_folders + 1))
         log_info "Exact namespace match found for folder '${folder_name}' -> namespace '${namespace}'"
         state_file="$(state_file_for_folder "$folder_name")"
 
@@ -342,16 +342,16 @@ process_folder() {
             log_info "Namespace '${namespace}' reached scale-down target"
         else
             log_warn "Timeout waiting for namespace '${namespace}' to fully scale down; continuing by policy"
-            ((scale_warnings++))
+            scale_warnings=$((scale_warnings + 1))
         fi
     else
-        ((unmapped_folders++))
+        unmapped_folders=$((unmapped_folders + 1))
         log_warn "No namespace matched folder '${folder_name}'. Running backup only."
     fi
 
     archive_path="$(archive_path_for_folder "$folder_name")"
     if backup_folder "$folder_path" "$archive_path"; then
-        ((backup_successes++))
+        backup_successes=$((backup_successes + 1))
         local file_size_bytes
         file_size_bytes="$(wc -c < "$archive_path" | tr -d '[:space:]')"
         if [[ "$file_size_bytes" =~ ^[0-9]+$ ]]; then
@@ -359,7 +359,7 @@ process_folder() {
         fi
         log_info "Backup created: ${archive_path}"
     else
-        ((backup_failures++))
+        backup_failures=$((backup_failures + 1))
         log_error "Backup failed for folder '${folder_name}'"
     fi
 
@@ -369,7 +369,7 @@ process_folder() {
             log_info "Namespace '${namespace}' reached restore target"
         else
             log_warn "Timeout waiting for namespace '${namespace}' to fully restore replicas"
-            ((restore_warnings++))
+            restore_warnings=$((restore_warnings + 1))
         fi
         rm -f "$state_file"
     fi