--- /usr/portage/x11-wm/windowmaker/windowmaker-0.95.6.ebuild	2015-01-21 11:01:19.000000000 +0100
+++ /usr/local/portage/x11-wm/windowmaker/windowmaker-0.95.6.ebuild	2015-01-21 15:01:53.791594870 +0100
@@ -44,6 +44,11 @@
 		fi;
 	done;
 
+    # Bug #537240:
+	if use webp; then
+		epatch "${FILESDIR}"/${PN}-0.95.6-detect_webp.patch
+	fi
+
 	epatch "${FILESDIR}"/${PN}-0.95.3-fix_underlinking.patch
 	eautoreconf
 }