--- ctwm_main.c.orig 2022-01-19 22:56:48.934088211 +0900 +++ ctwm_main.c 2022-01-19 22:57:41.844165125 +0900 @@ -1096,6 +1096,7 @@ scr->IconManagerDontShow = false; scr->BackingStore = false; scr->SaveUnder = true; + scr->CentrePlacement = CP_OFF; scr->RandomPlacement = RP_ALL; scr->RandomDisplacementX = 30; scr->RandomDisplacementY = 30;