diff --git a/sal/osl/w32/profile.cxx b/sal/osl/w32/profile.cxx
index 1e586190b7e7..f3539e658110 100644
--- a/sal/osl/w32/profile.cxx
+++ b/sal/osl/w32/profile.cxx
@@ -26,6 +26,7 @@
 #include <osl/diagnose.h>
 #include <osl/profile.h>
 #include <osl/process.h>
+#include <osl/thread.h>
 #include <osl/file.h>
 #include <rtl/alloc.h>
 #include <sal/macros.h>
diff --git a/vcl/inc/win/salinst.h b/vcl/inc/win/salinst.h
index 8772ee00fa22..d95f08b49e91 100644
--- a/vcl/inc/win/salinst.h
+++ b/vcl/inc/win/salinst.h
@@ -20,6 +20,10 @@
 #ifndef INCLUDED_VCL_INC_WIN_SALINST_H
 #define INCLUDED_VCL_INC_WIN_SALINST_H
 
+#include <sal/config.h>
+
+#include <osl/conditn.hxx>
+
 #include <salinst.hxx>
 
 class SalYieldMutex;