diff --git a/ghc-hourglass.spec b/ghc-hourglass.spec
index 4f4459c..9e6f372 100644
--- a/ghc-hourglass.spec
+++ b/ghc-hourglass.spec
@@ -4,7 +4,8 @@
 %global pkg_name hourglass
 %global pkgver %{pkg_name}-%{version}
 
-%bcond_without tests
+# https://github.com/vincenthz/hs-hourglass/issues/55
+%bcond_with tests
 
 Name:           ghc-%{pkg_name}
 Version:        0.2.12