diff --git a/lib/engine/game/g_18_ardennes/step/buy_sell_par_shares_companies.rb b/lib/engine/game/g_18_ardennes/step/buy_sell_par_shares_companies.rb
index 53a13e3d2c..5c6ec64aa6 100644
--- a/lib/engine/game/g_18_ardennes/step/buy_sell_par_shares_companies.rb
+++ b/lib/engine/game/g_18_ardennes/step/buy_sell_par_shares_companies.rb
@@ -83,7 +83,7 @@ def sellable_companies(entity)
           #         exchange for the minor company.
           def exchangeable_pool_shares(corporation, ability)
             minor = ability.owner
-            shares = @game.share_pool.shares_by_corporation[corporation]
+            shares = @game.share_pool.shares_by_corporation[corporation].take(1)
             return [] if shares.empty?
             return shares if corporation.owner == minor.owner
             return shares if corporation.receivership?