diff --git a/Formula/vorbis-tools.rb b/Formula/vorbis-tools.rb
index 78298a3228..5166d7cac8 100644
--- a/Formula/vorbis-tools.rb
+++ b/Formula/vorbis-tools.rb
@@ -19,6 +19,10 @@ class VorbisTools < Formula
   depends_on "flac" => :optional
 
   def install
+    # Fix `brew linkage --test` "Missing libraries: /usr/lib/libnetwork.dylib"
+    # Prevent bogus linkage to the libnetwork.tbd in Xcode 7's SDK
+    ENV.delete("SDKROOT") if MacOS.version == :yosemite
+
     args = %W[
       --disable-debug
       --disable-dependency-tracking