diff --git a/dependencies/config/config_test.go b/dependencies/config/config_test.go
index 3f39b02..5124b28 100644
--- a/dependencies/config/config_test.go
+++ b/dependencies/config/config_test.go
@@ -33,17 +33,10 @@ var hostname string
 // var testClient cli.ClientInterface
 
 func init() {
-	var err error
 	testConfigContents = fmt.Sprintf(testConfigContentsFormat, "{{ .HOSTNAME }}")
 
 	testTemplatePath = fmt.Sprintf("%s/%s/%s", templatePrefix, testConfigName, testConfigName)
 	testConfigPath = fmt.Sprintf("%s/%s", testDir, testConfigName)
-
-	hostname, err = os.Hostname()
-
-	if err != nil {
-		fmt.Errorf("Could not get hostname", err)
-	}
 }
 
 func setupOsEnvironment() (err error) {
@@ -123,6 +116,9 @@ var _ = Describe("Config", func() {
 		result, err := ioutil.ReadFile(fmt.Sprintf("%s/%s", testDir, testConfigName))
 		Expect(err).NotTo(HaveOccurred())
 
+		hostname, err := os.Hostname()
+		Expect(err).NotTo(HaveOccurred())
+
 		expectedFile := fmt.Sprintf(testConfigContentsFormat, hostname)
 
 		readConfig := string(result[:])
diff --git a/util/command/command.go b/util/command/command.go
index 1be5d0a..bf2003b 100644
--- a/util/command/command.go
+++ b/util/command/command.go
@@ -18,7 +18,7 @@ func Execute(command []string) (err error) {
 	env := os.Environ()
 	err = syscall.Exec(path, command, env)
 	if err != nil {
-		logger.Error.Print("Executing command %v failed: %v", command, err)
+		logger.Error.Printf("Executing command %v failed: %v", command, err)
 		return
 	}
 	return
diff --git a/util/env/env.go b/util/env/env.go
index 60e20ec..dd55870 100644
--- a/util/env/env.go
+++ b/util/env/env.go
@@ -58,7 +58,7 @@ func SplitEnvToDeps(env string) (envList []Dependency) {
 				continue
 			}
 			if nameAfterSplit[0] == "" {
-				logger.Warning.Printf("Invalid format, missing namespace", envVar)
+				logger.Warning.Printf("Invalid format, missing namespace %s", envVar)
 				continue
 			}
 
@@ -88,7 +88,7 @@ func SplitPodEnvToDeps(env string) []PodDependency {
 
 	err := json.Unmarshal([]byte(e), &deps)
 	if err != nil {
-		logger.Warning.Printf("Invalid format: ", e)
+		logger.Warning.Printf("Invalid format: %v", e)
 		return []PodDependency{}
 	}
 
@@ -116,7 +116,7 @@ func SplitJobEnvToDeps(env string, jsonEnv string) []JobDependency {
 		}
 		err := json.Unmarshal([]byte(jsonEnvVal), &deps)
 		if err != nil {
-			logger.Warning.Printf("Invalid format: ", jsonEnvVal)
+			logger.Warning.Printf("Invalid format: %s", jsonEnvVal)
 			return []JobDependency{}
 		}
 
diff --git a/util/env/env_test.go b/util/env/env_test.go
index 34e5d04..01a58bc 100644
--- a/util/env/env_test.go
+++ b/util/env/env_test.go
@@ -28,7 +28,7 @@ func TestSplitEnvToListWithColon(t *testing.T) {
 		t.Errorf("Expected: not nil")
 	}
 	if len(list1) != 1 {
-		t.Errorf("Expected len to be 1 not %i", len(list1))
+		t.Errorf("Expected len to be 1 not %d", len(list1))
 	}
 	if list1[0].Name != "foo1" {
 		t.Errorf("Expected: foo1 got %s", list1[0])