diff --git a/app/Http/Controllers/PdfController.php b/app/Http/Controllers/PdfController.php
index 9ee2500..f91dd8f 100644
--- a/app/Http/Controllers/PdfController.php
+++ b/app/Http/Controllers/PdfController.php
@@ -746,7 +746,8 @@ class PdfController extends Controller
                 'status_code' => 'ERROR',
                 'status_description' => "Coil number can't be empty!",
             ], 404);
-        } elseif (! is_numeric($coilNo) || Str::length($coilNo) <= 0 || ! preg_match('/^\d{1,}$/', $coilNo)) { // !ctype_digit($data['plant_code'])
+        } elseif (! is_numeric($coilNo) || Str::length($coilNo) <= 0 || !preg_match('/^\d+(\.\d+)?$/', $coilNo)
+        ) { // !ctype_digit($data['plant_code'])
             return response()->json([
                 'status_code' => 'ERROR',
                 'status_description' => 'Invalid coil number found!',