diff --git a/Formula/smpeg.rb b/Formula/smpeg.rb
index 5354472f72..ee698ef772 100644
--- a/Formula/smpeg.rb
+++ b/Formula/smpeg.rb
@@ -16,5 +16,6 @@ class Smpeg < Formula
     system "make"
     lib.install Dir[".libs/*.dylib"]
     bin.install ".libs/plaympeg"
+    include.install Dir["*.h"]
   end
 end