diff --git a/y2023/rockpi/imu_main.cc b/y2023/rockpi/imu_main.cc
index d53b3fb..ed8bcb1 100644
--- a/y2023/rockpi/imu_main.cc
+++ b/y2023/rockpi/imu_main.cc
@@ -1,16 +1,19 @@
+#include "absl/flags/flag.h"
+
 #include "aos/events/shm_event_loop.h"
 #include "aos/init.h"
 #include "aos/realtime.h"
 #include "frc971/imu_reader/imu.h"
 #include "y2023/constants.h"
 
-DEFINE_string(config, "aos_config.json", "Path to the config file to use.");
+ABSL_FLAG(std::string, config, "aos_config.json",
+          "Path to the config file to use.");
 
 int main(int argc, char *argv[]) {
   aos::InitGoogle(&argc, &argv);
 
   aos::FlatbufferDetachedBuffer<aos::Configuration> config =
-      aos::configuration::ReadConfig(FLAGS_config);
+      aos::configuration::ReadConfig(absl::GetFlag(FLAGS_config));
 
   aos::ShmEventLoop event_loop(&config.message());
   frc971::imu::Imu imu(&event_loop,