diff --git a/src/Common/FileCache.cpp b/src/Common/FileCache.cpp
index 4111bfaa4a4..fe98288d0cb 100644
--- a/src/Common/FileCache.cpp
+++ b/src/Common/FileCache.cpp
@@ -78,12 +78,15 @@ LRUFileCache::LRUFileCache(const String & cache_base_path_, const FileCacheSetti
 
 void LRUFileCache::initialize()
 {
-    if (fs::exists(cache_base_path))
-        loadCacheInfoIntoMemory();
-    else
-        fs::create_directories(cache_base_path);
-
-    is_initialized = true;
+    std::lock_guard cache_lock(mutex);
+    if (!is_initialized)
+    {
+        if (fs::exists(cache_base_path))
+            loadCacheInfoIntoMemory();
+        else
+            fs::create_directories(cache_base_path);
+        is_initialized = true;
+    }
 }
 
 void LRUFileCache::useCell(
@@ -624,8 +627,6 @@ void LRUFileCache::remove(
 
 void LRUFileCache::loadCacheInfoIntoMemory()
 {
-    std::lock_guard cache_lock(mutex);
-
     Key key;
     UInt64 offset = 0;
     size_t size = 0;