diff --git a/vcl/inc/wintextrender.hxx b/vcl/inc/wintextrender.hxx
index 06479806983a..90b056113743 100644
--- a/vcl/inc/wintextrender.hxx
+++ b/vcl/inc/wintextrender.hxx
@@ -20,6 +20,7 @@
 #ifndef INCLUDED_VCL_INC_WINTEXTRENDER_HXX
 #define INCLUDED_VCL_INC_WINTEXTRENDER_HXX
 
+#include <tools/rational.hxx>
 #include <vcl/salgtype.hxx>
 #include <vcl/sysdata.hxx>
 #include <vcl/vclenum.hxx>