diff --git a/libs/sysplugins/smarty_internal_configfilelexer.php b/libs/sysplugins/smarty_internal_configfilelexer.php
index d5b50775..f0292196 100644
--- a/libs/sysplugins/smarty_internal_configfilelexer.php
+++ b/libs/sysplugins/smarty_internal_configfilelexer.php
@@ -33,7 +33,7 @@ class Smarty_Internal_Configfilelexer
         self::instance($this);
         $this->data = $data . "\n"; //now all lines are \n-terminated
         $this->counter = 0;
-        if (preg_match('/\xEF\xBB\xBF/', $this->data, $match)) {
+        if (preg_match('/^\xEF\xBB\xBF/', $this->data, $match)) {
             $this->counter += strlen($match[0]);
         }
         $this->line = 1;
diff --git a/libs/sysplugins/smarty_internal_templatelexer.php b/libs/sysplugins/smarty_internal_templatelexer.php
index 45583d9b..5a04d0b6 100644
--- a/libs/sysplugins/smarty_internal_templatelexer.php
+++ b/libs/sysplugins/smarty_internal_templatelexer.php
@@ -82,7 +82,7 @@ class Smarty_Internal_Templatelexer
         //        $this->data = preg_replace("/(\r\n|\r|\n)/", "\n", $data);
         $this->data = $data;
         $this->counter = 0;
-        if (preg_match('/\xEF\xBB\xBF/', $this->data, $match)) {
+        if (preg_match('/^\xEF\xBB\xBF/', $this->data, $match)) {
             $this->counter += strlen($match[0]);
         }
         $this->line = 1;