diff --git a/alex.changes b/alex.changes
index 3b89a23..e1648d8 100644
--- a/alex.changes
+++ b/alex.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jul 30 03:30:56 UTC 2018 - bwiedemann@suse.com
+
+- Drop config.log from doc to fix build-compare
+
 -------------------------------------------------------------------
 Wed Jul 18 14:26:08 UTC 2018 - psimons@suse.com
 
diff --git a/alex.spec b/alex.spec
index f2c2c58..878545d 100644
--- a/alex.spec
+++ b/alex.spec
@@ -55,7 +55,7 @@ test -f configure || autoreconf
 %ghc_bin_install
 mkdir -p %{buildroot}/%{_mandir}/man1
 cp doc/alex.1 %{buildroot}/%{_mandir}/man1
-rm doc/autom4te.cache/requests # varies across builds, breaking build-compare
+rm -f doc/autom4te.cache/requests doc/config.log # varies across builds, breaking build-compare
 
 %check
 # Ensure that the test suite can find the alex binary.