diff --git a/y2019/wpilib_interface.cc b/y2019/wpilib_interface.cc
index 8517c57..097f011 100644
--- a/y2019/wpilib_interface.cc
+++ b/y2019/wpilib_interface.cc
@@ -131,7 +131,7 @@
 // Class to send position messages with sensor readings to our loops.
 class SensorReader : public ::frc971::wpilib::SensorReader {
  public:
-  SensorReader(::aos::EventLoop *event_loop)
+  SensorReader(::aos::ShmEventLoop *event_loop)
       : ::frc971::wpilib::SensorReader(event_loop),
         auto_mode_sender_(
             event_loop->MakeSender<::frc971::autonomous::AutonomousMode>(