diff --git a/ChangeLog b/ChangeLog
index af9cb238bb..3c7270a887 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Sep  6 20:59:06 2014  Tanaka Akira  <akr@fsij.org>
+
+	* process.c (has_privilege): The gid zero is not a privilege.
+
 Sat Sep  6 20:19:16 2014  Tanaka Akira  <akr@fsij.org>
 
 	* process.c (struct child_handler_disabler_state): cancelstate field
diff --git a/process.c b/process.c
index 3d1d0cd458..c258e5e7fc 100644
--- a/process.c
+++ b/process.c
@@ -3373,7 +3373,7 @@ has_privilege(void)
     egid = getegid();
 #endif
 
-    if (egid == 0 || egid != rgid)
+    if (egid != rgid)
         return 1;
 
     return 0;