diff --git a/driveAtlas.sh b/driveAtlas.sh
index 66d2563..713dc7b 100644
--- a/driveAtlas.sh
+++ b/driveAtlas.sh
@@ -500,14 +500,21 @@ for bay in $all_bays; do
             osd_id="-"
         fi
 
-        # Check if boot drive
+        # Check mount points using lsblk (includes partitions)
+        # This catches both whole-device mounts and partition mounts (e.g., /dev/sda1)
         usage="-"
-        if mount | grep -q "^/dev/${device}"; then
-            mount_point=$(mount | grep "^/dev/${device}" | awk '{print $3}' | head -1)
-            if [[ "$mount_point" == "/" ]]; then
-                usage="BOOT"
+        mount_points="$(lsblk -n -o MOUNTPOINT "/dev/$device" 2>/dev/null | grep -v '^$' | head -3 | tr '\n' ',')"
+        mount_points="${mount_points%,}"  # Remove trailing comma
+        if [[ -n "$mount_points" ]]; then
+            if [[ "$mount_points" == *"/"* && ! "$mount_points" == *"/boot"* && ! "$mount_points" == *"/home"* ]]; then
+                # Root filesystem mounted (but not just /boot or /home)
+                if echo "$mount_points" | grep -qE '^/,|^/$|,/$'; then
+                    usage="BOOT"
+                else
+                    usage="$mount_points"
+                fi
             else
-                usage="$mount_point"
+                usage="$mount_points"
             fi
         fi