diff --git a/cmd/erasure-common.go b/cmd/erasure-common.go
index 4fd83dd45..6c45fb11b 100644
--- a/cmd/erasure-common.go
+++ b/cmd/erasure-common.go
@@ -65,6 +65,7 @@ func (er erasureObjects) getOnlineDisks() (newDisks []StorageAPI) {
 			mu.Unlock()
 		}()
 	}
+	wg.Wait()
 	return newDisks
 }