diff --git a/buildout/software-profiles/neon.cfg b/buildout/software-profiles/neon.cfg
index ff4a91648720fb971ecff80a7faa18c38878be26..9bd36bdf0478f949a33d8652d29bfb93eb8ae6b1 100644
--- a/buildout/software-profiles/neon.cfg
+++ b/buildout/software-profiles/neon.cfg
@@ -20,6 +20,6 @@ configure-options =
 
 environment =
   PATH=${libxml2:location}/bin:%(PATH)s
-  PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig
+  PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig:${libxml2:location}/lib/pkgconfig
   CPPFLAGS=-I${openssl:location}/include -I{zlib:location}/include
   LDFLAGS=-L${openssl:location}/lib -Wl,-rpath -Wl,${openssl:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -Wl,-rpath -Wl,${libxml2:location}/lib