diff --git a/core/app.cpp b/core/app.cpp
index 8f9a04d..5e5a9cf 100755
--- a/core/app.cpp
+++ b/core/app.cpp
@@ -730,7 +730,7 @@ void App::LogUser(const char * msg, uid_t id)
 	if( p )
 		log << p->pw_name;
 	else
-		log << id;
+		log << (int)id;
 
 	log << logend;
 }
@@ -871,7 +871,7 @@ bool App::DropPrivileges(const std::string & user, uid_t uid, gid_t gid, bool ad
 	if( setuid(uid) < 0 )
 	{	
 		log << log1 << "App: I can't drop privileges to user: " << user
-			<< " (uid:" << uid << ")" << logend << logsave;
+			<< " (uid:" << (int)uid << ")" << logend << logsave;
 		return false;
 	}