diff --git a/metadata/com.numix.calculator.txt b/metadata/com.numix.calculator.txt
index 31a1047ebb..f217cc03bf 100644
--- a/metadata/com.numix.calculator.txt
+++ b/metadata/com.numix.calculator.txt
@@ -1,3 +1,4 @@
+AntiFeatures:NonFreeAdd
 Categories:Office
 License:MIT
 Web Site:https://github.com/numixproject/com.numix.calculator/blob/HEAD/README.md
@@ -17,6 +18,8 @@ preferences.
 The calculator support all the basic functions (+, -, * and /), but it also
 has advanced pane that allows thing like trigonometric functions and more
 advanced functions.
+
+AntiFeature: Promotes paid and free-of-charge apps. 
 .
 
 Repo Type:git