diff --git a/extension/data_loader/test/file_descriptor_data_loader_test.cpp b/extension/data_loader/test/file_descriptor_data_loader_test.cpp
index 0258611cbd7..94a05cafd1a 100644
--- a/extension/data_loader/test/file_descriptor_data_loader_test.cpp
+++ b/extension/data_loader/test/file_descriptor_data_loader_test.cpp
@@ -8,6 +8,7 @@
 
 #include <executorch/extension/data_loader/file_descriptor_data_loader.h>
 
+#include <fcntl.h>
 #include <cstring>
 
 #include <gtest/gtest.h>