diff --git a/src/hooks/useLocalStorage.js b/src/hooks/useLocalStorage.js
index 21fec88..97d6d3b 100644
--- a/src/hooks/useLocalStorage.js
+++ b/src/hooks/useLocalStorage.js
@@ -6,7 +6,7 @@ const getLocalValue = (key, initValue) => {
 
     // if a value is already store 
     const localValue = JSON.parse(localStorage.getItem(key));
-    if (localValue) return localValue;
+    if (localValue !== undefined) return localValue;
 
     // return result of a function 
     if (initValue instanceof Function) return initValue();
@@ -26,4 +26,4 @@ const useLocalStorage = (key, initValue) => {
     return [value, setValue];
 }
 
-export default useLocalStorage 
\ No newline at end of file
+export default useLocalStorage