diff --git a/.golangci.yml b/.golangci.yml
index c58238d..ccd3a10 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -7,3 +7,6 @@ linters:
 
 run:
   timeout: 5m
+
+output:
+  format: colored-line-number
diff --git a/device_storage_test.go b/device_storage_test.go
index f078f68..56cd320 100644
--- a/device_storage_test.go
+++ b/device_storage_test.go
@@ -108,7 +108,7 @@ func newMockDeviceStorageServer() *httptest.Server {
 </SOAP-ENV:Envelope>`
 		}
 
-		w.Write([]byte(response))
+		_, _ = w.Write([]byte(response))
 	}))
 }