diff --git a/examples/MultiBody/SerialChains.cpp b/examples/MultiBody/SerialChains.cpp
index a2bb91048..4f35952ef 100644
--- a/examples/MultiBody/SerialChains.cpp
+++ b/examples/MultiBody/SerialChains.cpp
@@ -41,7 +41,7 @@ public:
 		m_guiHelper->resetCamera(dist, yaw, pitch, targetPos[0], targetPos[1], targetPos[2]);
 	}
 
-	btMultiBody* createFeatherstoneMultiBody(class btMultiBodyDynamicsWorld* world, int numLinks, const btVector3& basePosition, const btVector3& baseHalfExtents, const btVector3& linkHalfExtents, bool spherical = false, bool floating = false);
+	btMultiBody* createFeatherstoneMultiBody(class btMultiBodyDynamicsWorld* world, int numLinks, const btVector3& basePosition, const btVector3& baseHalfExtents, const btVector3& linkHalfExtents, bool spherical = false, bool fixedBase = false);
 	void createGround(const btVector3& halfExtents = btVector3(50, 50, 50), btScalar zOffSet = btScalar(-1.55));
 	void addColliders(btMultiBody* pMultiBody, btMultiBodyDynamicsWorld* pWorld, const btVector3& baseHalfExtents, const btVector3& linkHalfExtents);
 };