@ -6262,7 +6262,7 @@ void pushThumper(cell *th, cell *cto) {
addMessage(XLAT("%The1 falls!", waThumperOn));
doesFallSound(cto);
}
else if(cellUnstable(cto)) {
else if(cellUnstableOrChasm(cto)) {
addMessage(XLAT("%The1 fills the hole!", waThumperOn));
cto->wall = waTempFloor;