diff --git a/change_log.txt b/change_log.txt
index ffd6368f..5a81e84c 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,7 @@
-===== 3.1.33-dev-1 =====
+===== 3.1.33-dev-2 =====
+17.05.2018
+ - bugfix  plugins may not be loaded when setMergeCompiledIncludes is true https://github.com/smarty-php/smarty/issues/435
+
 26.04.2018
  - bugfix  regarding Security Vulnerability did not solve the problem under Linux.
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index bdeffb16..f9737b28 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -112,7 +112,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.33-dev-1';
+    const SMARTY_VERSION = '3.1.33-dev-2';
     /**
      * define variable scopes
      */
@@ -1011,7 +1011,7 @@ class Smarty extends Smarty_Internal_TemplateBase
                                    Smarty_Internal_Template $template = null)
     {
         $template_name = (strpos($template_name, ':') === false) ? "{$this->default_resource_type}:{$template_name}" :
-            $template_name;
+        $template_name;
         $cache_id = $cache_id === null ? $this->cache_id : $cache_id;
         $compile_id = $compile_id === null ? $this->compile_id : $compile_id;
         $caching = (int)($caching === null ? $this->caching : $caching);
@@ -1044,7 +1044,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     {
         $nds = array('/' => '\\', '\\' => '/');
         // normalize DIRECTORY_SEPARATOR
-        $path = str_replace(array($nds[DIRECTORY_SEPARATOR], DIRECTORY_SEPARATOR . '.' . DIRECTORY_SEPARATOR), DIRECTORY_SEPARATOR, $path);
+        //$path = str_replace(array($nds[DIRECTORY_SEPARATOR], DIRECTORY_SEPARATOR . '.' . DIRECTORY_SEPARATOR), DIRECTORY_SEPARATOR, $path);
         preg_match('%^(?<root>(?:[[:alpha:]]:[\\\\]|/|[\\\\]{2}[[:alpha:]]+|[[:print:]]{2,}:[/]{2}|[\\\\])?)(?<path>(.*))$%u',
                    $path,
                    $parts);
diff --git a/libs/sysplugins/smarty_internal_runtime_codeframe.php b/libs/sysplugins/smarty_internal_runtime_codeframe.php
index f792496f..80a50eb8 100644
--- a/libs/sysplugins/smarty_internal_runtime_codeframe.php
+++ b/libs/sysplugins/smarty_internal_runtime_codeframe.php
@@ -58,10 +58,6 @@ class Smarty_Internal_Runtime_CodeFrame
                        var_export($_template->smarty->ext->_tplFunction->getTplFunction($_template), true) . ");\n";
 
         }
-        // include code for required plugins
-        if (!$cache && isset($compiler)) {
-            $output .= $compiler->compileRequiredPlugins();
-        }
         $output .= "?>";
         $output .= $content;
         $output .= "<?php }\n?>";
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index 0d7284a0..be3647bd 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -421,6 +421,9 @@ abstract class Smarty_Internal_TemplateCompilerBase
                 $_content = $this->template->source->getContent();
             }
             $_compiled_code = $this->postFilter($this->doCompile($this->preFilter($_content), true));
+            if (!empty($this->required_plugins[ 'compiled' ]) || !empty($this->required_plugins[ 'nocache' ])) {
+               $_compiled_code = '<?php ' . $this->compileRequiredPlugins() . "?>\n" . $_compiled_code;
+            }
         }
         catch (Exception $e) {
             if ($this->smarty->debugging) {