diff --git a/Engine/source/core/util/str.cpp b/Engine/source/core/util/str.cpp
index 1a15b8b85..78d008758 100644
--- a/Engine/source/core/util/str.cpp
+++ b/Engine/source/core/util/str.cpp
@@ -590,7 +590,8 @@ String::String(const UTF16 *str)
 
 String::~String()
 {
-   _string->release();
+   if (_string && _string != StringData::Empty())
+      _string->release();
 }
 
 //-----------------------------------------------------------------------------