diff --git a/modules/llm-cache/storage/file_storage.cc b/modules/llm-cache/storage/file_storage.cc
index 3f5cdc0c8..44bd43ad1 100644
--- a/modules/llm-cache/storage/file_storage.cc
+++ b/modules/llm-cache/storage/file_storage.cc
@@ -663,8 +663,8 @@ void FileStorage::PrintFileAccessTime(std::string path) {
 
 std::string FileStorage::GetTimestamp(
     std::chrono::duration<int64_t, std::nano> time) {
-  std::chrono::time_point<std::chrono::system_clock> timestamp =
-      std::chrono::time_point<std::chrono::system_clock>(time);
+  auto duration_since_epoch = std::chrono::duration_cast<std::chrono::system_clock::duration>(time);
+  std::chrono::time_point<std::chrono::system_clock> timestamp = std::chrono::system_clock::time_point(duration_since_epoch);
   time_t t = std::chrono::system_clock::to_time_t(timestamp);
 
   std::tm tm;
diff --git a/modules/llm-cache/storage/local_file_storage.cc b/modules/llm-cache/storage/local_file_storage.cc
index 2a74ba5a2..d054e0998 100644
--- a/modules/llm-cache/storage/local_file_storage.cc
+++ b/modules/llm-cache/storage/local_file_storage.cc
@@ -192,8 +192,13 @@ Status LocalFileStorage::GetFileAccessTime(
     return Status::IOError("Failed to get file access time: " +
                            formatIOError(path));
   }
-  accessTime = std::chrono::duration<int64_t, std::nano>(
-      statbuf.st_atim.tv_sec * SECOND_TO_NANOSECOND + statbuf.st_atim.tv_nsec);
+  #ifdef __APPLE__
+    accessTime = std::chrono::duration<int64_t, std::nano>(
+        statbuf.st_atimespec.tv_sec * SECOND_TO_NANOSECOND + statbuf.st_atimespec.tv_nsec);
+  #else
+    accessTime = std::chrono::duration<int64_t, std::nano>(
+        statbuf.st_atim.tv_sec * SECOND_TO_NANOSECOND + statbuf.st_atim.tv_nsec);
+  #endif
   return Status::OK();
 }