diff --git a/Propulsion.h b/Propulsion.h
index 8781a90..7710430 100644
--- a/Propulsion.h
+++ b/Propulsion.h
@@ -24,7 +24,7 @@ class Propulsion {
 
   /// @brief Update the propulsion state of the Roboid
   /// @param currentTimeMs  The time in milliseconds when calling this
-  void Update(float currentTimeMs);
+  virtual void Update(float currentTimeMs);
 
   /// @brief Get the number of motors in this roboid
   /// @return The number of motors. Zero when no motors are present