diff --git a/kube_cache/metrics/metrics.go b/kube_cache/metrics/metrics.go
index 8cee2fc..9f7c4a5 100644
--- a/kube_cache/metrics/metrics.go
+++ b/kube_cache/metrics/metrics.go
@@ -62,11 +62,11 @@ func (m *Metrics) IncrementGptErrors() {
 }
 
 func (m *Metrics) String() string {
-	return fmt.Sprintf(`kube_cache_hits=%d
-kube_cache_misses=%d
-kube_images_retrieved=%d
-kube_dalle_requests=%d
-kube_gpt_requests=%d
-kube_dalle_errors=%d
-kube_gpt_errors=%d`, m.CacheHits, m.CacheMisses, m.ImagesRetrieved, m.DalleRequests, m.GptRequests, m.DalleErrors, m.GptErrors)
+	return fmt.Sprintf(`kube_cache_hits %d
+kube_cache_misses %d
+kube_images_retrieved %d
+kube_dalle_requests %d
+kube_gpt_requests %d
+kube_dalle_errors %d
+kube_gpt_errors %d`, m.CacheHits, m.CacheMisses, m.ImagesRetrieved, m.DalleRequests, m.GptRequests, m.DalleErrors, m.GptErrors)
 }