diff --git a/Formula/easy-tag.rb b/Formula/easy-tag.rb
index 067089bfe0..f91336e427 100644
--- a/Formula/easy-tag.rb
+++ b/Formula/easy-tag.rb
@@ -15,6 +15,7 @@ class EasyTag < Formula
   depends_on "intltool" => :build
   depends_on "itstool" => :build
   depends_on "pkg-config" => :build
+  depends_on "python" => :build
   depends_on "adwaita-icon-theme"
   depends_on "flac"
   depends_on "gtk+3"
@@ -31,7 +32,9 @@ class EasyTag < Formula
   patch :DATA
 
   def install
-    ENV.append_path "PYTHONPATH", "#{Formula["libxml2"].opt_lib}/python2.7/site-packages"
+    xy = Language::Python.major_minor_version "python3"
+    ENV.append_path "PYTHONPATH", "#{Formula["libxml2"].opt_lib}/python#{xy}/site-packages"
+
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           "--disable-schemas-compile"