diff --git a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
index 526eba9..dabdee9 100644
--- a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
+++ b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
@@ -47,11 +47,14 @@ class AnchorIdlJupiterPerpsPositionDecoder {
                 .valueOf(rawCollateralUsd)
                 .movePointLeft(6);
 
+        ΩUSDCAmountΩ sizeUsd = BigDecimal.ZERO;
+
         JupiterPerpsPosition pos = new JupiterPerpsPosition(
                 positionAccount,
                 entryPrice,
                 direction,
                 tradedTokenMint,
+                sizeUsd,
                 collateralUsd
         );