diff --git a/src/game/rooms.js b/src/game/rooms.js
index cff0dd22..afed3da2 100644
--- a/src/game/rooms.js
+++ b/src/game/rooms.js
@@ -248,6 +248,9 @@ function _findPath2(id, fromPos, toPos, opts) {
                 if(resultMatrix instanceof globals.PathFinder.CostMatrix) {
                     costMatrix = resultMatrix;
                 }
+                else if(resultMatrix === false) {
+                    return false;
+                }
             }
             return costMatrix;
         },