1 files changed, 3 insertions, 0 deletions

diff --git a/rules.js b/rules.js
index 7f00c51..639ff2d 100644
--- a/rules.js
+++ b/rules.js
@@ -4262,11 +4262,14 @@ function is_illegal_cross_map_retreat(from, to) {
 
 // search all possible retreat paths of given length
 function search_retreat_possible_dfs(result, seen, here, range) {
+	let pow = piece_power[game.selected[0]]
 	for (let next of data.cities.adjacent[here]) {
 		if (seen.includes(next))
 			continue
 		if (has_any_piece(next))
 			continue
+		if (is_forbidden_neutral_space(pow, next))
+			continue
 		if (is_illegal_cross_map_retreat(here, next))
 			continue
 		if (range === 1) {