diff --git a/meta-openembedded/meta-oe/recipes-extended/libmodbus/libmodbus.inc b/meta-openembedded/meta-oe/recipes-extended/libmodbus/libmodbus.inc
index a01659a..b502177 100644
--- a/meta-openembedded/meta-oe/recipes-extended/libmodbus/libmodbus.inc
+++ b/meta-openembedded/meta-oe/recipes-extended/libmodbus/libmodbus.inc
@@ -10,4 +10,7 @@
 
 SRC_URI = "http://libmodbus.org/releases/${BP}.tar.gz"
 
+PACKAGECONFIG ??= ""
+PACKAGECONFIG[documentation] = "--with-documentation,--without-documentation,asciidoc-native xmlto-native"
+
 inherit autotools pkgconfig