diff --git a/src/platforms/posix/posixFile.cpp b/src/platforms/posix/posixFile.cpp
index 4d063d4e..e89b9ab2 100644
--- a/src/platforms/posix/posixFile.cpp
+++ b/src/platforms/posix/posixFile.cpp
@@ -32,6 +32,7 @@
 
 #include <dirent.h>
 
+#include <stdio.h>
 #include <string.h>
 
 #include "vmime/exception.hpp"