1 files changed, 1 insertions, 1 deletions
diff --git a/FL/x11.H b/FL/x11.H
index a9421b5f9..116870166 100644
--- a/FL/x11.H
+++ b/FL/x11.H
@@ -65,7 +65,7 @@ extern FL_EXPORT void *fl_xftfont;
 // With Xlib / X11 fonts, fl_xfont will return the current selected font.
 // With XFT / X11 fonts, fl_xfont will attempt to return the bitmap "core" font most
 // similar to (usually the same as) the current XFT font.
-class Fl_XFont_On_Demand
+class FL_EXPORT Fl_XFont_On_Demand
 {
 public:
   Fl_XFont_On_Demand(XFontStruct* p = NULL) : ptr(p) { }