diff --git a/change_log.txt b/change_log.txt
index 021280d1..564118dc 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -6,6 +6,7 @@
   - update {include_php} with new realpath handling
   - move $smarty->loadPlugin() into extension
   - minor compiler optimizations
+  - bugfix allow function plugins with name ending with 'close' https://github.com/smarty-php/smarty/issues/52
 
  19.06.2015
   - improvement allow closures as callback at $smarty->registerFilter() https://github.com/smarty-php/smarty/issues/59
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 1d4e7113..c8b4f18f 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -111,7 +111,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.28-dev/9';
+    const SMARTY_VERSION = '3.1.28-dev/10';
 
     /**
      * define variable scopes
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index b8bffdad..28bcf3f8 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -638,10 +638,20 @@ abstract class Smarty_Internal_TemplateCompilerBase
                 if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag]) || isset($this->default_handler_plugins[Smarty::PLUGIN_BLOCK][$base_tag])) {
                     return $this->callTagCompiler('private_registered_block', $args, $parameter, $tag);
                 }
+                // registered function tag ?
+                if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag])) {
+                    return $this->callTagCompiler('private_registered_function', $args, $parameter, $tag);
+                }
                 // block plugin?
                 if ($function = $this->getPlugin($base_tag, Smarty::PLUGIN_BLOCK)) {
                     return $this->callTagCompiler('private_block_plugin', $args, $parameter, $tag, $function);
                 }
+                // function plugin?
+                if ($function = $this->getPlugin($tag, Smarty::PLUGIN_FUNCTION)) {
+                    if (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this)) {
+                        return $this->callTagCompiler('private_function_plugin', $args, $parameter, $tag, $function);
+                    }
+                }
                 // registered compiler plugin ?
                 if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag])) {
                     // if compiler function plugin call it now