diff --git a/.gitignore b/.gitignore
index 8525730..cac6e51 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,6 @@ Makefile*
 *.qmlproject.user
 *.qmlproject.user.*
 
+# build
+build*
+
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 3fc477c..41f2b0b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4,6 +4,7 @@
 #include <QFile>
 #include <QTimer>
 #include <QtNetwork/QNetworkReply>
+#include <QRegularExpression>
 
 class QNetworkReply;
 namespace yremote {