diff --git a/game.cpp b/game.cpp
index 7ca4136a..7cf31b94 100644
--- a/game.cpp
+++ b/game.cpp
@@ -6270,7 +6270,7 @@ void pushThumper(cell *th, cell *cto) {
   }
 
 bool canPushThumperOn(cell *tgt, cell *thumper, cell *player) {
-  if(tgt->wall == waBoat) return false;
+  if(tgt->wall == waBoat || tgt->wall == waStrandedBoat) return false;
   if(isReptile(tgt->wall)) return false;
   if(isWatery(tgt) && !tgt->monst)
     return true;