diff --git a/extern/bullet/Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.cpp b/extern/bullet/Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.cpp
index 4b4d3f15dae..e4e7a998ad8 100644
--- a/extern/bullet/Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.cpp
+++ b/extern/bullet/Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.cpp
@@ -503,6 +503,10 @@ void	CcdPhysicsEnvironment::beginFrame()
 
 bool	CcdPhysicsEnvironment::proceedDeltaTime(double curTime,float timeStep)
 {
+	//don't simulate without timesubsteps
+	if (m_numTimeSubSteps<1)
+		return true;
+
 	//printf("proceedDeltaTime\n");
 	
 
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
index 4b4d3f15dae..e4e7a998ad8 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
@@ -503,6 +503,10 @@ void	CcdPhysicsEnvironment::beginFrame()
 
 bool	CcdPhysicsEnvironment::proceedDeltaTime(double curTime,float timeStep)
 {
+	//don't simulate without timesubsteps
+	if (m_numTimeSubSteps<1)
+		return true;
+
 	//printf("proceedDeltaTime\n");