diff --git a/.golangci.yml b/.golangci.yml
index ccd3a10..539f9cf 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -9,4 +9,5 @@ run:
   timeout: 5m
 
 output:
-  format: colored-line-number
+  formats:
+    - colored-line-number
diff --git a/device_certificates_test.go b/device_certificates_test.go
index 728392d..a45d590 100644
--- a/device_certificates_test.go
+++ b/device_certificates_test.go
@@ -177,7 +177,7 @@ func newMockDeviceCertificatesServer() *httptest.Server {
 </SOAP-ENV:Envelope>`
 		}
 
-		w.Write([]byte(response))
+		_, _ = w.Write([]byte(response))
 	}))
 }
 
diff --git a/device_wifi_test.go b/device_wifi_test.go
index 98b81f5..11f6ef5 100644
--- a/device_wifi_test.go
+++ b/device_wifi_test.go
@@ -144,7 +144,7 @@ func newMockDeviceWiFiServer() *httptest.Server {
 </SOAP-ENV:Envelope>`
 		}
 
-		w.Write([]byte(response))
+		_, _ = w.Write([]byte(response))
 	}))
 }