--- x11-misc/xlockmore/xlockmore-5.43.ebuild
+++ x11-misc/xlockmore/xlockmore-5.43.ebuild
@@ -53,7 +53,7 @@
 }
 
 src_configure() {
-	local myconf=""
+	local myconf="" freetype_direct_test_include
 
 	if use opengl && use truetype; then
 			myconf="${myconf} --with-ftgl"
@@ -62,6 +62,11 @@
 			myconf="${myconf} --without-ftgl"
 	fi
 
+	# workaround for >=freetype-2.5.1
+	if use truetype && has_version ">=media-libs/freetype-2.5.1" ; then
+		export freetype_direct_test_include="freetype2/freetype.h"
+	fi
+
 	econf \
 		$(use_enable pam) \
 		$(use_enable xlockrc) \