diff --git a/src/data/arena-tag.ts b/src/data/arena-tag.ts
index 3d8d6cce8ec..fd4b57ecaf0 100644
--- a/src/data/arena-tag.ts
+++ b/src/data/arena-tag.ts
@@ -339,8 +339,7 @@ export abstract class WeakenMoveScreenTag extends SerializableArenaTag {
     if (bypassed.value) {
       return false;
     }
-    // Screens are less effective during Double Battles
-    damageMultiplier.value = globalScene.currentBattle.double ? 2 / 3 : 1 / 2;
+    damageMultiplier.value = globalScene.currentBattle.double ? 2732 / 4096 : 0.5;
     return true;
   }
 }
diff --git a/test/moves/light-screen.test.ts b/test/moves/light-screen.test.ts
index 0dcd8bbc0ef..72028459bac 100644
--- a/test/moves/light-screen.test.ts
+++ b/test/moves/light-screen.test.ts
@@ -127,10 +127,8 @@ const getMockedMoveDamage = (defender: Pokemon, attacker: Pokemon, move: Move) =
   const multiplierHolder = new NumberHolder(1);
   const side = defender.isPlayer() ? ArenaTagSide.PLAYER : ArenaTagSide.ENEMY;
 
-  if (globalScene.arena.getTagOnSide(ArenaTagType.LIGHT_SCREEN, side)) {
-    if (move.getAttrs("CritOnlyAttr").length === 0) {
-      globalScene.arena.applyTagsForSide(ArenaTagType.LIGHT_SCREEN, side, attacker, move.category, multiplierHolder);
-    }
+  if (globalScene.arena.getTagOnSide(ArenaTagType.LIGHT_SCREEN, side) && !move.hasAttr("CritOnlyAttr")) {
+    globalScene.arena.applyTagsForSide(ArenaTagType.LIGHT_SCREEN, side, attacker, move.category, multiplierHolder);
   }
 
   return move.power * multiplierHolder.value;