diff --git a/internal/file/file.go b/internal/file/file.go
index 25887c52b..7b434230b 100644
--- a/internal/file/file.go
+++ b/internal/file/file.go
@@ -19,6 +19,7 @@ package file
 import (
 	"crypto/sha1"
 	"encoding/hex"
+	"github.com/golang/glog"
 	"io/ioutil"
 )
 
@@ -27,6 +28,7 @@ func SHA1(filename string) string {
 	hasher := sha1.New()
 	s, err := ioutil.ReadFile(filename)
 	if err != nil {
+		glog.Errorf("Error reading file %v", err)
 		return ""
 	}
 
diff --git a/internal/ingress/controller/controller.go b/internal/ingress/controller/controller.go
index d48dd06e7..1f219ad05 100644
--- a/internal/ingress/controller/controller.go
+++ b/internal/ingress/controller/controller.go
@@ -773,7 +773,7 @@ func (n *NGINXController) getServiceClusterEndpoint(svcKey string, backend *exte
 			}
 		}
 		if port == -1 {
-			return endpoint, fmt.Errorf("Service %q does not have a port named %q", svc.Name, backend.ServicePort)
+			return endpoint, fmt.Errorf("service %q does not have a port named %q", svc.Name, backend.ServicePort)
 		}
 		endpoint.Port = fmt.Sprintf("%d", port)
 	} else {
diff --git a/internal/ingress/controller/nginx.go b/internal/ingress/controller/nginx.go
index e75701522..c69a1b98e 100644
--- a/internal/ingress/controller/nginx.go
+++ b/internal/ingress/controller/nginx.go
@@ -395,7 +395,7 @@ func (n NGINXController) DefaultEndpoint() ingress.Endpoint {
 // running the command "nginx -t" using a temporal file.
 func (n NGINXController) testTemplate(cfg []byte) error {
 	if len(cfg) == 0 {
-		return fmt.Errorf("Invalid NGINX configuration (empty)")
+		return fmt.Errorf("invalid NGINX configuration (empty)")
 	}
 	tmpfile, err := ioutil.TempFile("", "nginx-cfg")
 	if err != nil {
@@ -848,7 +848,7 @@ func post(url string, data interface{}) error {
 	}()
 
 	if resp.StatusCode != http.StatusCreated {
-		return fmt.Errorf("Unexpected error code: %d", resp.StatusCode)
+		return fmt.Errorf("unexpected error code: %d", resp.StatusCode)
 	}
 
 	return nil
diff --git a/internal/ingress/controller/store/backend_ssl.go b/internal/ingress/controller/store/backend_ssl.go
index b85abe136..9939d4a6c 100644
--- a/internal/ingress/controller/store/backend_ssl.go
+++ b/internal/ingress/controller/store/backend_ssl.go
@@ -134,7 +134,7 @@ func (s k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error)
 			return nil, ErrSecretForAuth
 		}
 
-		return nil, fmt.Errorf("Secret %q contains no keypair or CA certificate", secretName)
+		return nil, fmt.Errorf("secret %q contains no keypair or CA certificate", secretName)
 	}
 
 	sslCert.Name = secret.Name
@@ -209,7 +209,7 @@ func (s *k8sStore) sendDummyEvent() {
 }
 
 // ErrSecretForAuth error to indicate a secret is used for authentication
-var ErrSecretForAuth = fmt.Errorf("Secret is used for authentication")
+var ErrSecretForAuth = fmt.Errorf("secret is used for authentication")
 
 func isErrSecretForAuth(e error) bool {
 	return e == ErrSecretForAuth
diff --git a/internal/k8s/main.go b/internal/k8s/main.go
index 556133bf2..d10f3e5db 100644
--- a/internal/k8s/main.go
+++ b/internal/k8s/main.go
@@ -42,6 +42,7 @@ func ParseNameNS(input string) (string, string, error) {
 func GetNodeIPOrName(kubeClient clientset.Interface, name string, useInternalIP bool) string {
 	node, err := kubeClient.CoreV1().Nodes().Get(name, metav1.GetOptions{})
 	if err != nil {
+		glog.Errorf("Error getting node %v: %v", name, err)
 		return ""
 	}