diff --git a/proxDoc.sh b/proxDoc.sh
index e7c00ef..551aeca 100755
--- a/proxDoc.sh
+++ b/proxDoc.sh
@@ -102,10 +102,11 @@ get_temp_info() {
 get_disk_health() {
     echo -e "\n${GREEN}=== Disk Health Status ===${NC}"
     if command -v smartctl >/dev/null 2>&1; then
-        for disk in $(lsblk -d -o name | grep -E '^sd|^nvme'); do
+        while IFS= read -r disk; do
+            [[ -z "$disk" ]] && continue
             echo -e "\nChecking /dev/$disk:"
-            smartctl -H /dev/$disk
-        done
+            smartctl -H "/dev/$disk"
+        done < <(lsblk -d -o name | grep -E '^sd|^nvme')
     else
         log_message warn "smartctl not found. Install smartmontools for disk health monitoring"
     fi
@@ -480,12 +481,13 @@ quick_health_check() {
     # Disk health (quick)
     echo -e "\n${GREEN}=== Disk Health Summary ===${NC}"
     if command -v smartctl >/dev/null 2>&1; then
-        for disk in $(lsblk -d -o name | grep -E '^sd|^nvme'); do
-            health=$(smartctl -H /dev/$disk 2>/dev/null | grep -i "health" | awk -F: '{print $2}' | xargs)
+        while IFS= read -r disk; do
+            [[ -z "$disk" ]] && continue
+            health=$(smartctl -H "/dev/$disk" 2>/dev/null | grep -i "health" | awk -F: '{print $2}' | xargs)
             if [[ -n "$health" ]]; then
                 echo -e "/dev/$disk: $health"
             fi
-        done
+        done < <(lsblk -d -o name | grep -E '^sd|^nvme')
     fi
 
     # Node Exporter