diff --git a/x11-toolkits/fltk/Makefile b/x11-toolkits/fltk/Makefile
index 0dfbf13a8d..2b0199d022 100644
--- a/x11-toolkits/fltk/Makefile
+++ b/x11-toolkits/fltk/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	fltk
 PORTVERSION=	1.3.9
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	x11-toolkits
 MASTER_SITES=	https://www.fltk.org/pub/${PORTNAME}/${PORTVERSION}/
 DISTNAME=	${PORTNAME}-${PORTVERSION}-source
diff --git a/x11-toolkits/fltk/files/patch-FL_x.H b/x11-toolkits/fltk/files/patch-FL_x.H
new file mode 100644
index 0000000000..f994c3ad46
--- /dev/null
+++ b/x11-toolkits/fltk/files/patch-FL_x.H
@@ -0,0 +1,11 @@
+--- FL/x.H.orig	2024-03-02 22:07:27 UTC
++++ FL/x.H
+@@ -105,7 +105,7 @@ FL_EXPORT Fl_Region XRectangleRegion(int x, int y, int
+ // 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) { }