diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_utils.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_utils.go
index 777c73877cb..391f144f940 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_utils.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_utils.go
@@ -135,7 +135,7 @@ func parseTags(tags string) map[string]*string {
 			klog.Warningf("parseTags: error when parsing key-value pair %s-%s, would ignore this one", k, v)
 			continue
 		}
-		formatted[k] = to.StringPtr(v)
+		formatted[strings.ToLower(k)] = to.StringPtr(v)
 	}
 	return formatted
 }