diff --git a/src/osd/modules/file/posixfile.cpp b/src/osd/modules/file/posixfile.cpp
index 58da197122c..53b4e1c9893 100644
--- a/src/osd/modules/file/posixfile.cpp
+++ b/src/osd/modules/file/posixfile.cpp
@@ -42,6 +42,7 @@
 
 #include <cassert>
 #include <cerrno>
+#include <cstdlib>
 #include <cstring>
 #include <memory>
 #include <type_traits>