diff --git a/lib/hs/Makefile.am b/lib/hs/Makefile.am
old mode 100755
new mode 100644
index 45529c7..543381f
--- a/lib/hs/Makefile.am
+++ b/lib/hs/Makefile.am
@@ -42,3 +42,7 @@
 
 check-local:
 	$(CABAL) check
+	$(CABAL) install --only-dependencies --enable-tests
+	$(CABAL) configure --enable-tests
+	$(CABAL) build
+	$(CABAL) test