diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index a195738eb..00f10d569 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -1978,7 +1978,8 @@ int Simulation::try_move(int i, int x, int y, int nx, int ny)
 	}
 	if ((r&0xFF)==PT_VOID || (r&0xFF)==PT_PVOD) //this is where void eats particles
 	{
-		kill_part(i);
+		if(!parts[r>>8].ctype || (parts[r>>8].ctype==parts[i].type)!=(parts[r>>8].tmp&1))
+			kill_part(i);
 		return 0;
 	}
 	if ((r&0xFF)==PT_BHOL || (r&0xFF)==PT_NBHL) //this is where blackhole eats particles