diff --git a/WickedEngine/wiBULLET.cpp b/WickedEngine/wiBULLET.cpp
index e875f6785..e1b9aed1c 100644
--- a/WickedEngine/wiBULLET.cpp
+++ b/WickedEngine/wiBULLET.cpp
@@ -1,6 +1,16 @@
 #include "wiBULLET.h"
 #include "wiLoader.h"
 
+
+
+#include "LinearMath/btHashMap.h"
+#include "BulletSoftBody/btSoftRigidDynamicsWorld.h"
+#include "BulletSoftBody/btSoftBodyHelpers.h"
+
+#include "BulletSoftBody/btSoftBodySolvers.h"
+#include "BulletSoftBody/btDefaultSoftBodySolver.h"
+#include "BulletSoftBody/btSoftBodyRigidBodyCollisionConfiguration.h"
+
 int PHYSICS::softBodyIterationCount=5;
 bool PHYSICS::rigidBodyPhysicsEnabled = true, PHYSICS::softBodyPhysicsEnabled = true;
 bool wiBULLET::grab=false;
diff --git a/WickedEngine/wiBULLET.h b/WickedEngine/wiBULLET.h
index 9d0990dcb..139bb2646 100644
--- a/WickedEngine/wiBULLET.h
+++ b/WickedEngine/wiBULLET.h
@@ -1,14 +1,16 @@
 #pragma once
 #include "wiPHYSICS.h"
-#include "btBulletDynamicsCommon.h"
 
-#include "LinearMath/btHashMap.h"
-#include "BulletSoftBody/btSoftRigidDynamicsWorld.h"
-#include "BulletSoftBody/btSoftBodyHelpers.h"
+#include "BULLET/btBulletDynamicsCommon.h"
 
-#include "BulletSoftBody/btSoftBodySolvers.h"
-#include "BulletSoftBody/btDefaultSoftBodySolver.h"
-#include "BulletSoftBody/btSoftBodyRigidBodyCollisionConfiguration.h"
+class btCollisionConfiguration;
+class btCollisionDispatcher;
+class btBroadphaseInterface;
+class btSequentialImpulseConstraintSolver;
+class btDynamicsWorld;
+class btCollisionShape;
+class btSoftBodySolver;
+class btSoftBodySolverOutput;
 
 struct RAY;