diff --git a/libs/sysplugins/smarty_internal_templateparser.php b/libs/sysplugins/smarty_internal_templateparser.php
index b67eedeb..821c18db 100644
--- a/libs/sysplugins/smarty_internal_templateparser.php
+++ b/libs/sysplugins/smarty_internal_templateparser.php
@@ -1869,10 +1869,10 @@ class Smarty_Internal_Templateparser
         $j = strrpos($this->yystack[ $this->yyidx + 0 ]->minor, '.');
         if ($this->yystack[ $this->yyidx + 0 ]->minor[ $j + 1 ] == 'c') {
             // {$smarty.block.child}
-            $this->_retvalue = SMARTY_INTERNAL_COMPILE_BLOCK::compileChildBlock($this->compiler);
+            $this->_retvalue = Smarty_Internal_Compile_Block::compileChildBlock($this->compiler);
         } else {
             // {$smarty.block.parent}
-            $this->_retvalue = SMARTY_INTERNAL_COMPILE_BLOCK::compileParentBlock($this->compiler);
+            $this->_retvalue = Smarty_Internal_Compile_Block::compileParentBlock($this->compiler);
         }
     }