diff --git a/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp b/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp
index 8e0fdf64e..2d8e8360b 100644
--- a/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp
+++ b/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp
@@ -22,7 +22,7 @@ subject to the following restrictions:
 #include "BulletCollision/CollisionShapes/btCollisionShape.h"
 #include "BulletCollision/CollisionDispatch/btSimulationIslandManager.h"
 #include "LinearMath/btTransformUtil.h"
-#include "LinearMath/btQuickProf.h"
+#include "LinearMath/btQuickprof.h"
 
 //rigidbody & constraints
 #include "BulletDynamics/Dynamics/btRigidBody.h"