diff --git a/src/Bladeburner/Bladeburner.tsx b/src/Bladeburner/Bladeburner.tsx
index c0c0968f7..2fecb70f6 100644
--- a/src/Bladeburner/Bladeburner.tsx
+++ b/src/Bladeburner/Bladeburner.tsx
@@ -2299,14 +2299,13 @@ export class Bladeburner {
     }
 
     const skill = Skills[skillName];
-    const currentLevel = this.skills[skillName];
-    if (currentLevel == null) {
-      return skill.calculateCost(0, count);
-    } else if (currentLevel + count > skill.maxLvl) {
+    const currentLevel = this.skills[skillName] ?? 0;
+
+    if (skill.maxLvl !== 0 && currentLevel + count > skill.maxLvl) {
       return Infinity;
-    } else {
-      return skill.calculateCost(currentLevel, count);
     }
+
+    return skill.calculateCost(currentLevel, count);
   }
 
   upgradeSkillNetscriptFn(skillName: string, count: number, workerScript: WorkerScript): boolean {