diff --git a/modules/cdisplay_lcms.c b/modules/cdisplay_lcms.c
index cda661d590..f6b8604220 100644
--- a/modules/cdisplay_lcms.c
+++ b/modules/cdisplay_lcms.c
@@ -23,9 +23,9 @@
 #ifdef G_OS_WIN32
 #define STRICT
 #include <windows.h>
+#define LCMS_WIN_TYPES_ALREADY_DEFINED
 #endif
 
-#define LCMS_WIN_TYPES_ALREADY_DEFINED
 #ifdef HAVE_LCMS_LCMS_H
 #include <lcms/lcms.h>
 #else