diff --git a/examples/MultiThreadedDemo/CommonRigidBodyMTBase.cpp b/examples/MultiThreadedDemo/CommonRigidBodyMTBase.cpp
index 0e9e6c5b3..8375489ee 100644
--- a/examples/MultiThreadedDemo/CommonRigidBodyMTBase.cpp
+++ b/examples/MultiThreadedDemo/CommonRigidBodyMTBase.cpp
@@ -590,6 +590,8 @@ public:
 static bool gMultithreadedWorld = false;
 static bool gDisplayProfileInfo = false;
 static btScalar gSliderNumThreads = 1.0f;  // should be int
+static btScalar gSliderSolverIterations = 10.0f; // should be int
+
 
 ////////////////////////////////////
 CommonRigidBodyMTBase::CommonRigidBodyMTBase( struct GUIHelperInterface* helper )
diff --git a/examples/MultiThreadedDemo/MultiThreadedDemo.cpp b/examples/MultiThreadedDemo/MultiThreadedDemo.cpp
index bb6c8a8b6..4a88207c6 100644
--- a/examples/MultiThreadedDemo/MultiThreadedDemo.cpp
+++ b/examples/MultiThreadedDemo/MultiThreadedDemo.cpp
@@ -90,7 +90,7 @@ MultiThreadedDemo::MultiThreadedDemo(struct GUIHelperInterface* helper)
 
 static btScalar gSliderStackRows = 8.0f;
 static btScalar gSliderStackColumns = 6.0f;
-
+static btScalar gSliderStackHeight = 15.0f;
 
 void MultiThreadedDemo::initPhysics()
 {