1 files changed, 1 insertions, 0 deletions

diff --git a/test/idiscover.cc b/test/idiscover.cc
index 4b1e90c..8a5a3fb 100644
--- a/test/idiscover.cc
+++ b/test/idiscover.cc
@@ -1,16 +1,17 @@
 #include <iostream>
 #include <stdexcept>
 #include <iterator>
 #include <algorithm>
+#include <unistd.h>
 using namespace std;
 #include <opkele/exception.h>
 #include <opkele/discovery.h>
 #include <opkele/util.h>
 #include <opkele/util-internal.h>
 
 namespace opkele {
     ostream& operator<<(ostream& o,const opkele::openid_endpoint_t& oep) {
         o
             << " URI:        " << oep.uri << endl
             << " Claimed ID: " << oep.claimed_id << endl
             << " Local ID:   " << oep.local_id << endl;