diff --git a/system/clearpilot/tools/qt_webview.cc b/system/clearpilot/tools/qt_webview.cc
index 58ec754..7d267b4 100644
--- a/system/clearpilot/tools/qt_webview.cc
+++ b/system/clearpilot/tools/qt_webview.cc
@@ -3,6 +3,7 @@
 #include <QWidget>
 #include <QTextEdit>
 #include <QLabel>
+#include <QTimer>
 #include <QProcess>
 #include <QVBoxLayout>
 #include <QFont>