diff --git a/MekHQ/src/mekhq/campaign/Campaign.java b/MekHQ/src/mekhq/campaign/Campaign.java
index f387ce91ed..80e80a027c 100644
--- a/MekHQ/src/mekhq/campaign/Campaign.java
+++ b/MekHQ/src/mekhq/campaign/Campaign.java
@@ -5658,6 +5658,7 @@ public void clearGameData(Entity entity) {
         entity.setHullDown(false);
         entity.heat = 0;
         entity.heatBuildup = 0;
+        entity.underwaterRounds = 0;
         entity.setTransportId(Entity.NONE);
         entity.resetTransporter();
         entity.setDeployRound(0);