diff --git a/inc/hgl/type/StdString.h b/inc/hgl/type/StdString.h
index 7b34ab6..64bd207 100644
--- a/inc/hgl/type/StdString.h
+++ b/inc/hgl/type/StdString.h
@@ -14,7 +14,7 @@ inline std::string to_std(const hgl::OSString &str)
 {
     hgl::UTF8String u8_str=hgl::to_u8(str);
 
-    return std::string(u8_str.c_str());
+    return std::string(u8_str.c_str(),str.Length());
 }
 #else
 inline hgl::OSString std_to_os(const std::string &str)
@@ -24,7 +24,7 @@ inline hgl::OSString std_to_os(const std::string &str)
 
 inline std::string to_std(const hgl::OSString &str)
 {
-    return std::string(str.c_str());
+    return std::string(str.c_str(),str.Length());
 }
 #endif//