diff --git a/src/powder.c b/src/powder.c
index a1187b1a6..700a6d5e0 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -344,7 +344,8 @@ int 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