diff --git a/libxdg-basedir.spec b/libxdg-basedir.spec
index 23e1d2f..035cc71 100644
--- a/libxdg-basedir.spec
+++ b/libxdg-basedir.spec
@@ -1,6 +1,6 @@
 Name:           libxdg-basedir
 Version:        1.2.0
-Release:        19%{?dist}
+Release:        20%{?dist}
 Summary:        Implementation of the XDG Base Directory Specifications
 
 License:        MIT
@@ -62,9 +62,14 @@ make install DESTDIR="$RPM_BUILD_ROOT"
 find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 
 
-
 %check
 make check USE_VALGRIND=1
+env -i make check USE_VALGRIND=1
+# Check that we get NULL for all things rooted in ENV{HOME} when running
+# with HOME unset
+env -i ./tests/testdump | grep null > grep.NULL
+env -i ./tests/testdump | grep HOME | grep -v DIRS > grep.HOME
+diff -u grep.NULL grep.HOME
 
 %ldconfig_scriptlets
 
@@ -81,6 +86,9 @@ make check USE_VALGRIND=1
 %doc doc/html/
 
 %changelog
+* Mon Apr 01 2019 Gwyn Ciesla <gwync@protonmail.com> - 1.2.0-20
+- Enhance testing.
+
 * Mon Apr 01 2019 Gwyn Ciesla <gwync@protonmail.com> - 1.2.0-19
 - Patch correction.