diff --git a/test/unit/test_greedy_operation.cpp b/test/unit/test_greedy_operation.cpp
index e088c4f..73f7608 100644
--- a/test/unit/test_greedy_operation.cpp
+++ b/test/unit/test_greedy_operation.cpp
@@ -6,6 +6,8 @@
 #include "gtest/gtest.h"
 
 extern "C" {
+#include <fcntl.h>
+
 #include "large_sort.h"
 #include "push_swap.h"
 }
diff --git a/test/unit/test_sort.cpp b/test/unit/test_sort.cpp
index 31198be..33687b7 100644
--- a/test/unit/test_sort.cpp
+++ b/test/unit/test_sort.cpp
@@ -7,6 +7,8 @@
 #include "gtest/gtest.h"
 
 extern "C" {
+#include <fcntl.h>
+
 #include "push_swap.h"
 #include "sort.h"
 }