diff --git a/src/simulation/elements/CLST.cpp b/src/simulation/elements/CLST.cpp
index 214c200af..025f01f1b 100644
--- a/src/simulation/elements/CLST.cpp
+++ b/src/simulation/elements/CLST.cpp
@@ -62,8 +62,7 @@ int Element_CLST::update(UPDATE_FUNC_ARGS)
 				{
 					if (!(rand()%1500))
 					{
-						parts[i].tmp = 0;
-						sim->part_change_type(i,x,y,PT_PSTS);
+						sim->create_part(i, x, y, PT_PSTS);
 						sim->kill_part(r>>8);
 					}
 				}