diff --git a/mods/d2k/chrome/ingame-player.yaml b/mods/d2k/chrome/ingame-player.yaml
index a9b7e3dccc..2b1634935c 100644
--- a/mods/d2k/chrome/ingame-player.yaml
+++ b/mods/d2k/chrome/ingame-player.yaml
@@ -65,7 +65,7 @@ Container@PLAYER_WIDGETS:
 					Background: command-button
 					DisableKeySound: true
 					TooltipText: Force Move
-					TooltipDesc: Selected units will move to the desired location\n - Default activity for the target is suppressed\n - Vehicles will attempt to crush enemies at the target location\n\nLeft-click icon then right-click on target.\nHold {(Alt)} to activate temporarily while commanding units.
+					TooltipDesc: Selected units will move to the desired location\n - Default activity for the target is suppressed\n - Vehicles will attempt to crush enemies at the target location\n - Deployed thumpers will undeploy and move to the target location\n\nLeft-click icon then right-click on target.\nHold {(Alt)} to activate temporarily while commanding units.
 					TooltipContainer: TOOLTIP_CONTAINER
 					TooltipTemplate: BUTTON_WITH_DESC_HIGHLIGHT_TOOLTIP
 					Children:
diff --git a/mods/d2k/rules/infantry.yaml b/mods/d2k/rules/infantry.yaml
index 754946d27d..0cd3b997fa 100644
--- a/mods/d2k/rules/infantry.yaml
+++ b/mods/d2k/rules/infantry.yaml
@@ -106,10 +106,11 @@ thumper:
 		Range: 2c768
 	Mobile:
 		Speed: 43
-		RequiresCondition: undeployed
+		RequireForceMoveCondition: !undeployed
 	GrantConditionOnDeploy:
 		DeployedCondition: deployed
 		UndeployedCondition: undeployed
+		UndeployOnMove: true
 		Facing: 512
 		AllowedTerrainTypes: Sand, Spice, Dune, SpiceSand
 	WithInfantryBody: