diff --git a/selfdrive/ui/qt/onroad.cc b/selfdrive/ui/qt/onroad.cc
index bb97ebd5e8..971eb673e2 100644
--- a/selfdrive/ui/qt/onroad.cc
+++ b/selfdrive/ui/qt/onroad.cc
@@ -4,6 +4,7 @@
 #include <cmath>
 #include <map>
 #include <memory>
+#include <sstream>
 
 #include <QDebug>
 #include <QMouseEvent>