diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
index 6d17c9af20a..9f14cf6cbef 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
@@ -50,7 +50,7 @@ class CcdOverlapFilterCallBack;
 /// A derived class may be able to 'construct' entities by loading and/or converting
 class CcdPhysicsEnvironment : public PHY_IPhysicsEnvironment
 {
-	friend CcdOverlapFilterCallBack;
+	friend class CcdOverlapFilterCallBack;
 	btVector3 m_gravity;
 
 protected: