diff --git a/app/features/build-analyzer/core/stats.ts b/app/features/build-analyzer/core/stats.ts
index edf902f99..442cc46e8 100644
--- a/app/features/build-analyzer/core/stats.ts
+++ b/app/features/build-analyzer/core/stats.ts
@@ -223,7 +223,12 @@ function subWeaponInkConsumptionPercentage(args: StatFunctionInput) {
   return {
     modifiedBy: "ISS" as const,
     baseValue: roundToNDecimalPlaces(args.subWeaponParams.InkConsume * 100),
-    value: roundToNDecimalPlaces(subWeaponConsume(args).inkConsume * 100),
+    value: roundToNDecimalPlaces(
+      // + 0.004 is a hack to avoid situation where the value is e.g. 50.0005
+      // -> rounds to 50% so it appears you can throw two subs
+      // which is not correct so we force the round upwards
+      subWeaponConsume(args).inkConsume * 100 + 0.0045
+    ),
   };
 }