1 files changed, 1 insertions, 0 deletions

diff --git a/lib/expat.cc b/lib/expat.cc
index fa6fdde..c4dab7e 100644
--- a/lib/expat.cc
+++ b/lib/expat.cc
@@ -1,39 +1,40 @@
 #include <opkele/expat.h>
 
 namespace opkele {
 
     namespace util {
 
         expat_t::~expat_t() throw() {
             if(_x)
                 XML_ParserFree(_x);
         }
 
         expat_t& expat_t::operator=(XML_Parser x) {
             if(_x)
                 XML_ParserFree(_x);
             _x = x;
+            return *this;
         }
 
         static void _start_element(void* ud,const XML_Char *n,const XML_Char **a) {
             ((expat_t*)ud)->start_element(n,a);
         }
         static void _end_element(void *ud,const XML_Char *n) {
             ((expat_t*)ud)->end_element(n);
         }
 
         void expat_t::set_element_handler() {
             assert(_x);
             XML_SetElementHandler(_x,_start_element,_end_element);
         }
 
         static void _character_data(void *ud,const XML_Char *s,int l) {
             ((expat_t*)ud)->character_data(s,l);
         }
 
         void expat_t::set_character_data_handler() {
             assert(_x);
             XML_SetCharacterDataHandler(_x,_character_data);
         }
 
         static void _processing_instruction(void *ud,const XML_Char *t,const XML_Char *d) {