diff --git a/fec_manager.h b/fec_manager.h
index 215b8bd..32f58ec 100644
--- a/fec_manager.h
+++ b/fec_manager.h
@@ -190,13 +190,11 @@ struct fec_parameter_t
 		return 0;
 	}
 
-	int clone_fec(fec_parameter_t & other)
+	int copy_fec(fec_parameter_t & other)
 	{
 		assert(other.rs_cnt>=1);
 		rs_cnt=other.rs_cnt;
 		memcpy(rs_par,other.rs_par,sizeof(rs_parameter_t)*rs_cnt);
-		
-		version++;
 
 		return 0;
 	}
diff --git a/misc.cpp b/misc.cpp
index 6965823..84b283e 100644
--- a/misc.cpp
+++ b/misc.cpp
@@ -292,7 +292,9 @@ int handle_command(char *s)
 			mylog(log_warn,"failed to parse [%s]\n",tmp_str);
 			return -1;
 		}
-		g_fec_par.clone_fec(tmp_par);
+		int version=g_fec_par.version;
+		g_fec_par.copy_fec(tmp_par);
+		g_fec_par.version=version+1;
 		strcpy(rs_par_str,tmp_str);
 		//g_fec_data_num=a;
 		//g_fec_redundant_num=b;