diff --git a/main.go b/main.go
index 0e46c7e..e844224 100644
--- a/main.go
+++ b/main.go
@@ -13,7 +13,7 @@ import (
 type telemetry struct {
 	slug            string `json:"slug"`
 	eventType       string `json:"type"`
-	qualityChangeUp string `json:"isUp"`
+	qualityChangeUp bool   `json:"isUp"`
 }
 
 type metrics struct {
@@ -72,7 +72,7 @@ func telemetryHandler(m metrics) echo.HandlerFunc {
 			case type_recovery:
 				m.recovery.WithLabelValues(v.slug).Inc()
 			case type_quality_switch:
-				if v.qualityChangeUp == "up" {
+				if v.qualityChangeUp {
 					m.qualityUp.WithLabelValues(v.slug).Inc()
 				} else {
 					m.qualityDown.WithLabelValues(v.slug).Inc()