diff --git a/doc/README b/doc/README
index 350afafc5..b13e8c8cb 100644
--- a/doc/README
+++ b/doc/README
@@ -10,7 +10,7 @@ Compile the documentation for gtk-sharp
 
     	cd gtk-sharp/doc
 	make assemble
-	cp gtk-sharp-docs.* `monodoc --get-sourcesdir`
+	cp gtk-sharp-docs.* `pkg-config monodoc --variable=sourcesdir`
 
 If things are fine, you should have in the Monodoc sources directory the 
 following files: