diff --git a/wpilibc/src/main/native/cpp/simulation/EncoderSim.cpp b/wpilibc/src/main/native/cpp/simulation/EncoderSim.cpp
index 146328d5cf0..9709b4c4c97 100644
--- a/wpilibc/src/main/native/cpp/simulation/EncoderSim.cpp
+++ b/wpilibc/src/main/native/cpp/simulation/EncoderSim.cpp
@@ -191,7 +191,7 @@ void EncoderSim::SetDistance(double distance) {
   HALSIM_SetEncoderDistance(m_index, distance);
 }
 
-double EncoderSim::GetDistance() {
+double EncoderSim::GetDistance() const {
   return HALSIM_GetEncoderDistance(m_index);
 }
 
@@ -199,6 +199,6 @@ void EncoderSim::SetRate(double rate) {
   HALSIM_SetEncoderRate(m_index, rate);
 }
 
-double EncoderSim::GetRate() {
+double EncoderSim::GetRate() const {
   return HALSIM_GetEncoderRate(m_index);
 }
diff --git a/wpilibc/src/main/native/include/frc/simulation/EncoderSim.h b/wpilibc/src/main/native/include/frc/simulation/EncoderSim.h
index 52d7bd10cf3..80ad1463245 100644
--- a/wpilibc/src/main/native/include/frc/simulation/EncoderSim.h
+++ b/wpilibc/src/main/native/include/frc/simulation/EncoderSim.h
@@ -295,7 +295,7 @@ class EncoderSim {
    *
    * @return the encoder distance
    */
-  double GetDistance();
+  double GetDistance() const;
 
   /**
    * Change the rate of the encoder.
@@ -309,7 +309,7 @@ class EncoderSim {
    *
    * @return the rate of change
    */
-  double GetRate();
+  double GetRate() const;
 
  private:
   explicit EncoderSim(int index) : m_index{index} {}