diff --git a/Strategic/Queen Command.cpp b/Strategic/Queen Command.cpp
index b0f7caf29..95a400efc 100644
--- a/Strategic/Queen Command.cpp	
+++ b/Strategic/Queen Command.cpp	
@@ -2267,7 +2267,7 @@ void EnemyCapturesPlayerSoldier( SOLDIERTYPE *pSoldier )
 	// adjust poison points
 	INT8 lifechanged = oldlife - pSoldier->stats.bLife;
 	if ( lifechanged < 0 )
-		pSoldier->bPoisonLife -= lifechanged;
+		pSoldier->bPoisonLife = max(0, pSoldier->bPoisonLife - lifechanged);
 	else if ( lifechanged > 0)
 		pSoldier->bPoisonLife = max(pSoldier->bPoisonSum, pSoldier->bPoisonLife + lifechanged);