diff --git a/source/gameengine/Ketsji/KX_BulletPhysicsController.cpp b/source/gameengine/Ketsji/KX_BulletPhysicsController.cpp
index c9168622320..cde006afab5 100644
--- a/source/gameengine/Ketsji/KX_BulletPhysicsController.cpp
+++ b/source/gameengine/Ketsji/KX_BulletPhysicsController.cpp
@@ -1,3 +1,5 @@
+#ifdef USE_BULLET
+
 #include "KX_BulletPhysicsController.h"
 
 #include "Dynamics/RigidBody.h"
@@ -136,3 +138,4 @@ bool KX_BulletPhysicsController::Update(double time)
 //	return false;
 }
 
+#endif //#ifdef USE_BULLET