diff --git a/fpicker/source/win32/filepicker/getfilenamewrapper.cxx b/fpicker/source/win32/filepicker/getfilenamewrapper.cxx
index 34202b017f6c..35b84228a51c 100644
--- a/fpicker/source/win32/filepicker/getfilenamewrapper.cxx
+++ b/fpicker/source/win32/filepicker/getfilenamewrapper.cxx
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <osl/diagnose.h>
+#include <osl/thread.h>
 #include <sal/log.hxx>
 #include "getfilenamewrapper.hxx"