| diff --git a/src/c/src/mt_adaptor.c b/src/c/src/mt_adaptor.c |
| index 7dc7878..9c62991 100644 |
| --- a/src/c/src/mt_adaptor.c |
| +++ b/src/c/src/mt_adaptor.c |
| @@ -483,13 +483,7 @@ int32_t inc_ref_counter(zhandle_t* zh,int i) |
| int32_t fetch_and_add(volatile int32_t* operand, int incr) |
| { |
| #ifndef WIN32 |
| - int32_t result; |
| - asm __volatile__( |
| - "lock xaddl %0,%1\n" |
| - : "=r"(result), "=m"(*(int *)operand) |
| - : "0"(incr) |
| - : "memory"); |
| - return result; |
| + return __sync_fetch_and_add(operand, incr); |
| #else |
| volatile int32_t result; |
| _asm |
