diff --git a/src/modes/three_strikes_battle.cpp b/src/modes/three_strikes_battle.cpp
index c41fb715d..7218d1229 100644
--- a/src/modes/three_strikes_battle.cpp
+++ b/src/modes/three_strikes_battle.cpp
@@ -311,7 +311,7 @@ void ThreeStrikesBattle::raceResultOrder( int* order )
 }   // raceResultOrder
 
 //-----------------------------------------------------------------------------
-bool ThreeStrikesBattle::acceptPowerup(const int type) const
+bool ThreeStrikesBattle::acceptPowerup(const PowerupType type) const
 {
     // these powerups don't make much sense in battle mode
     if(type == POWERUP_PARACHUTE || type == POWERUP_ANVIL ||
diff --git a/src/modes/three_strikes_battle.hpp b/src/modes/three_strikes_battle.hpp
index b1a51b33c..abf00d787 100644
--- a/src/modes/three_strikes_battle.hpp
+++ b/src/modes/three_strikes_battle.hpp
@@ -59,7 +59,7 @@ public:
     virtual RaceGUI::KartIconDisplayInfo* getKartsDisplayInfo();
     virtual bool raceHasLaps(){ return false; }
     virtual void moveKartAfterRescue(Kart* kart, btRigidBody* body);
-    virtual bool acceptPowerup(const int type) const;
+    virtual bool acceptPowerup(const PowerupType type) const;
     
     virtual std::string getIdent() const;
     
diff --git a/src/modes/world.hpp b/src/modes/world.hpp
index 93d99123c..bb8f7ed8e 100644
--- a/src/modes/world.hpp
+++ b/src/modes/world.hpp
@@ -205,7 +205,7 @@ public:
     /** called when a bonus box is hit, to determine which types of powerups are allowed
         in each game mode. By default all are accepted, override in child classes to get
         a different behaviour  */
-    virtual bool acceptPowerup(const int type) const { return true; }
+    virtual bool acceptPowerup(const PowerupType type) const { return true; }
     
     /** Called by the code that draws the list of karts on the race GUI
       * to know what needs to be drawn in the current mode