diff --git a/src/corelib/io/qtemporarydir.cpp b/src/corelib/io/qtemporarydir.cpp
index c7150d7b331..71436c64976 100644
--- a/src/corelib/io/qtemporarydir.cpp
+++ b/src/corelib/io/qtemporarydir.cpp
@@ -49,6 +49,10 @@
 #include <private/qfilesystemengine_p.h>
 #endif
 
+#if !defined(Q_OS_WIN)
+#include <errno.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 //************* QTemporaryDirPrivate