diff --git a/Helper/Data.php b/Helper/Data.php
index e9a44b0..ed68ce0 100644
--- a/Helper/Data.php
+++ b/Helper/Data.php
@@ -261,7 +261,7 @@ public function getFormPostPaths($storeId = null)
                 $data[] = $value;
             }
         }
-        $custom = explode("\n", str_replace("\r", '', $this->getConfigFrontend('custom/paths', $storeId)));
+        $custom = explode("\n", str_replace("\r", '', $this->getConfigFrontend('custom/paths', $storeId) ?? ''));
         if (!$custom) {
             return $data;
         }
@@ -277,7 +277,7 @@ public function getFormPostPaths($storeId = null)
     public function getCssSelectors($storeId = null)
     {
         $data = $this->getConfigFrontend('custom/css', $storeId);
-        $forms = explode("\n", str_replace("\r", '', $data));
+        $forms = explode("\n", str_replace("\r", '', $data ?? ''));
         foreach ($forms as $key => $value) {
             $forms[$key] = trim($value, ' ');
         }