diff --git a/wpilibc/src/main/native/cpp/frc2/command/NotifierCommand.cpp b/wpilibc/src/main/native/cpp/frc2/command/NotifierCommand.cpp
index 086a2a1d0e..c4eac81265 100644
--- a/wpilibc/src/main/native/cpp/frc2/command/NotifierCommand.cpp
+++ b/wpilibc/src/main/native/cpp/frc2/command/NotifierCommand.cpp
@@ -9,7 +9,8 @@
 
 using namespace frc2;
 
-NotifierCommand::NotifierCommand(std::function<void()> toRun, double period,
+NotifierCommand::NotifierCommand(std::function<void()> toRun,
+                                 units::second_t period,
                                  std::initializer_list<Subsystem*> requirements)
     : m_toRun(toRun), m_notifier{std::move(toRun)}, m_period{period} {
   AddRequirements(requirements);
diff --git a/wpilibc/src/main/native/include/frc2/command/NotifierCommand.h b/wpilibc/src/main/native/include/frc2/command/NotifierCommand.h
index 037e5c3d71..320ac2d233 100644
--- a/wpilibc/src/main/native/include/frc2/command/NotifierCommand.h
+++ b/wpilibc/src/main/native/include/frc2/command/NotifierCommand.h
@@ -9,6 +9,8 @@
 
 #include <frc/Notifier.h>
 
+#include <units/units.h>
+
 #include "CommandBase.h"
 #include "CommandHelper.h"
 
@@ -29,10 +31,10 @@ class NotifierCommand : public CommandHelper<CommandBase, NotifierCommand> {
    * Creates a new NotifierCommand.
    *
    * @param toRun        the runnable for the notifier to run
-   * @param period       the period at which the notifier should run, in seconds
+   * @param period       the period at which the notifier should run
    * @param requirements the subsystems required by this command
    */
-  NotifierCommand(std::function<void()> toRun, double period,
+  NotifierCommand(std::function<void()> toRun, units::second_t period,
                   std::initializer_list<Subsystem*> requirements);
 
   NotifierCommand(NotifierCommand&& other);
@@ -46,6 +48,6 @@ class NotifierCommand : public CommandHelper<CommandBase, NotifierCommand> {
  private:
   std::function<void()> m_toRun;
   frc::Notifier m_notifier;
-  double m_period;
+  units::second_t m_period;
 };
 }  // namespace frc2
diff --git a/wpilibc/src/test/native/cpp/frc2/command/NotifierCommandTest.cpp b/wpilibc/src/test/native/cpp/frc2/command/NotifierCommandTest.cpp
index 9f2aefc7d1..695ccc3a63 100644
--- a/wpilibc/src/test/native/cpp/frc2/command/NotifierCommandTest.cpp
+++ b/wpilibc/src/test/native/cpp/frc2/command/NotifierCommandTest.cpp
@@ -20,7 +20,7 @@ TEST_F(NotifierCommandTest, NotifierCommandScheduleTest) {
 
   int counter = 0;
 
-  NotifierCommand command([&counter] { counter++; }, 0.01, {});
+  NotifierCommand command([&counter] { counter++; }, 0.01_s, {});
 
   scheduler.Schedule(&command);
   std::this_thread::sleep_for(std::chrono::milliseconds(250));