diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 4a7c7361de12..91520b90b11e 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-29  Doug Evans  <dje@google.com>
+
+	* testsuite-management/validate_failures.py (CompareBuilds): Pass
+	options.results to GetSumFiles for clean build.
+
 2012-11-28  Doug Evans  <dje@google.com>
 
 	* testsuite-management/validate_failures.py: Use <target_alias> instead
diff --git a/contrib/testsuite-management/validate_failures.py b/contrib/testsuite-management/validate_failures.py
index 7bbccf3eaf42..60c275b46d4e 100755
--- a/contrib/testsuite-management/validate_failures.py
+++ b/contrib/testsuite-management/validate_failures.py
@@ -381,7 +381,7 @@ def CompareBuilds(options):
   sum_files = GetSumFiles(options.results, options.build_dir)
   actual = GetResults(sum_files)
 
-  clean_sum_files = GetSumFiles(None, options.clean_build)
+  clean_sum_files = GetSumFiles(options.results, options.clean_build)
   clean = GetResults(clean_sum_files)
 
   return PerformComparison(clean, actual, options.ignore_missing_failures)