diff --git a/projects/github.com/rhash/RHash/package.yml b/projects/github.com/rhash/RHash/package.yml
index e39cd72a..e7b04ace 100644
--- a/projects/github.com/rhash/RHash/package.yml
+++ b/projects/github.com/rhash/RHash/package.yml
@@ -27,8 +27,12 @@ build:
     ./configure --prefix={{ prefix }}
     make --jobs {{ hw.concurrency }}
     make --jobs {{ hw.concurrency }} install
+    make -C librhash install-lib-headers
     make test
 
 test:
   script: |
     rhash --version
+    echo -n test > test
+    echo -n a94a8fe5ccb19ba61c4c0873d391e987982fbbd3 test > test.sha1
+    rhash -c test.sha1