1 files changed, 4 insertions, 4 deletions
diff --git a/lib/charts.rb b/lib/charts.rb
index c84987c..851518f 100644
--- a/lib/charts.rb
+++ b/lib/charts.rb
@@ -55,10 +55,10 @@ module Charts
 
   class BuildTime < Chart
     def collect
-      builds = project.builds.where('builds.finished_at is NOT NULL AND builds.started_at is NOT NULL').last(30)
-      builds.each do |build|
-        @labels << build.short_sha
-        @build_times << (build.duration / 60)
+      commits = project.commits.joins(:builds).where('builds.finished_at is NOT NULL AND builds.started_at is NOT NULL').last(30)
+      commits.each do |commit|
+        @labels << commit.short_sha
+        @build_times << (commit.duration / 60)
       end
     end
   end