diff --git a/src/ship.cpp b/src/ship.cpp
index 62189ad..f2bc78a 100644
--- a/src/ship.cpp
+++ b/src/ship.cpp
@@ -34,7 +34,7 @@ Ship::Ship(ShipType::Type shipType) : RigidBody() {
     m_tempLaserGeom[i] = 0;
     m_gunState[i] = 0;
   }
-  
+  memset(m_thrusters, 0, sizeof(m_thrusters)); 
   const ShipType& stype = GetShipType();
   SetGeomFromSBREModel(stype.sbreModel, &params);
   dGeomSetBody(m_geom, m_body);