diff --git a/metadata/org.opengpx.txt b/metadata/org.opengpx.txt
index 33edf55eef..7b3c6e3072 100644
--- a/metadata/org.opengpx.txt
+++ b/metadata/org.opengpx.txt
@@ -1,3 +1,4 @@
+Anti-feature:Nonfree-dep
 Category:Navigation
 License:MIT
 Web Site:https://code.google.com/p/opengpx/