diff --git a/utils/chart.go b/utils/chart.go
index 113533c..e7da099 100644
--- a/utils/chart.go
+++ b/utils/chart.go
@@ -7,6 +7,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/wcharczuk/go-chart"
 	"github.com/wcharczuk/go-chart/drawing"
+	"go.uber.org/zap"
 
 	"github.com/lacazethomas/wakapi-stats/models"
 )
@@ -42,6 +43,8 @@ func CreateStatsDiagram(c []models.ColorSummaryItem) ([]byte, error) {
 		}
 	}
 
+	zap.S().Debug("chartItems", zap.Any("chartItems", chartItems))
+
 	return createPieFromChartValues(chartItems)
 }