diff --git a/wpilibc/src/main/native/include/wpi/opmode/PeriodicOpMode.hpp b/wpilibc/src/main/native/include/wpi/opmode/PeriodicOpMode.hpp
index 610ed583e9..9ae472fccb 100644
--- a/wpilibc/src/main/native/include/wpi/opmode/PeriodicOpMode.hpp
+++ b/wpilibc/src/main/native/include/wpi/opmode/PeriodicOpMode.hpp
@@ -53,7 +53,7 @@ namespace wpi {
 class PeriodicOpMode : public OpMode {
  public:
   /** Default loop period. */
-  static constexpr auto kDefaultPeriod = 20_ms;
+  static constexpr auto DEFAULT_PERIOD = 20_ms;
 
  protected:
   /**
@@ -62,7 +62,7 @@ class PeriodicOpMode : public OpMode {
    *
    * @param period period for callbacks to the Periodic() function
    */
-  explicit PeriodicOpMode(wpi::units::second_t period = kDefaultPeriod);
+  explicit PeriodicOpMode(wpi::units::second_t period = DEFAULT_PERIOD);
 
  public:
   ~PeriodicOpMode() override;
diff --git a/wpilibc/src/main/python/semiwrap/PeriodicOpMode.yml b/wpilibc/src/main/python/semiwrap/PeriodicOpMode.yml
index e7316f3866..fdc34324c6 100644
--- a/wpilibc/src/main/python/semiwrap/PeriodicOpMode.yml
+++ b/wpilibc/src/main/python/semiwrap/PeriodicOpMode.yml
@@ -1,7 +1,7 @@
 classes:
   wpi::PeriodicOpMode:
     attributes:
-      kDefaultPeriod:
+      DEFAULT_PERIOD:
     methods:
       DisabledPeriodic:
       Start:
diff --git a/wpilibj/src/main/java/org/wpilib/opmode/PeriodicOpMode.java b/wpilibj/src/main/java/org/wpilib/opmode/PeriodicOpMode.java
index f7562b6209..fa737c8454 100644
--- a/wpilibj/src/main/java/org/wpilib/opmode/PeriodicOpMode.java
+++ b/wpilibj/src/main/java/org/wpilib/opmode/PeriodicOpMode.java
@@ -88,7 +88,7 @@ public abstract class PeriodicOpMode implements OpMode {
   }
 
   /** Default loop period. */
-  public static final double kDefaultPeriod = 0.02;
+  public static final double DEFAULT_PERIOD = 0.02;
 
   // The C pointer to the notifier object. We don't use it directly, it is
   // just passed to the JNI bindings.
@@ -111,7 +111,7 @@ public abstract class PeriodicOpMode implements OpMode {
    * no-argument constructor uses a default period of 20 ms.
    */
   protected PeriodicOpMode() {
-    this(kDefaultPeriod);
+    this(DEFAULT_PERIOD);
   }
 
   /**