diff --git a/src/components/LeftSidebar.tsx b/src/components/LeftSidebar.tsx
index 401b7d1..6cf5cec 100644
--- a/src/components/LeftSidebar.tsx
+++ b/src/components/LeftSidebar.tsx
@@ -48,7 +48,7 @@ export function LeftSidebar() {
 
   const handleSearch = useCallback(() => {
     const id = parseInt(searchId, 10)
-    if (!isNaN(id) && id >= 1 && id <= 600) {
+    if (!Number.isNaN(id) && id >= 1 && id <= 600) {
       searchAsteroidById(id)
     }
   }, [searchId, searchAsteroidById])
diff --git a/src/components/RightSidebar.tsx b/src/components/RightSidebar.tsx
index 089bee6..1524fbe 100644
--- a/src/components/RightSidebar.tsx
+++ b/src/components/RightSidebar.tsx
@@ -101,7 +101,7 @@ export function RightSidebar() {
 
   const handleApply = () => {
     const parsedDv = parseFloat(maxDv)
-    const maxDvVal = isNaN(parsedDv) ? 0.35 : parsedDv
+    const maxDvVal = Number.isNaN(parsedDv) ? 0.35 : parsedDv
     
     const parsedBurns = parseInt(maxBurns, 10)
     const maxBurnsVal = isNaN(parsedBurns) ? 1 : parsedBurns
diff --git a/src/lib/store.tsx b/src/lib/store.tsx
index ccb37b6..d714827 100644
--- a/src/lib/store.tsx
+++ b/src/lib/store.tsx
@@ -276,7 +276,7 @@ export function AppProvider({
       asteroidDataRef.current = data
       if (focusedObjectId) {
         const numId = parseInt(focusedObjectId.replace(/\D/g, ""), 10)
-        if (!isNaN(numId)) {
+        if (!Number.isNaN(numId)) {
           const found = data.find((item) => item.id === numId)
           if (found) {
             setSelectedAsteroid(found)