diff --git a/storage/remote/client.go b/storage/remote/client.go
index 346f66c2f7..14bb8f7d7d 100644
--- a/storage/remote/client.go
+++ b/storage/remote/client.go
@@ -39,7 +39,7 @@ import (
 	"github.com/prometheus/prometheus/prompb"
 )
 
-const maxErrMsgLen = 512
+const maxErrMsgLen = 1024
 
 var UserAgent = fmt.Sprintf("Prometheus/%s", version.Version)