2 files changed, 6 insertions, 8 deletions
diff --git a/play.css b/play.css
index fb7317c..732f198 100644
--- a/play.css
+++ b/play.css
@@ -134,10 +134,6 @@ aside { width: 220px; }
 #popup div.enabled:hover { background-color: black; color: white; }
 #popup div.always { display: block; }
 
-.card.highlight {
-	outline: 2px solid yellow;
-}
-
 /* MAP */
 
 #mapwrap {
diff --git a/rules.js b/rules.js
index 43a689c..b10868b 100644
--- a/rules.js
+++ b/rules.js
@@ -5599,10 +5599,12 @@ function can_moving_force_siege_or_assault() {
 	let where = moving_piece_space();
 	if (has_besieged_enemy_fortifications(where)) {
 		let commanding = find_friendly_commanding_leader_in_space(where);
-		let cmd_rank = leader_command(commanding);
-		let ldr_rank = leader_command(leader);
-		if (ldr_rank === cmd_rank && force_has_supplied_drilled_troops(leader)) {
-			return true;
+		if (commanding > 0) {
+			let cmd_rank = leader_command(commanding);
+			let ldr_rank = leader_command(leader);
+			if (ldr_rank === cmd_rank && force_has_supplied_drilled_troops(leader)) {
+				return true;
+			}
 		}
 	}
 	return false;