diff --git a/internal/config/initialize.go b/internal/config/initialize.go
index 3ba2d8c..d10abd1 100644
--- a/internal/config/initialize.go
+++ b/internal/config/initialize.go
@@ -78,7 +78,7 @@ func Init() Config {
 	// read config file
 	configFileData, err := getConfigFileData(cfg.ConfigFile)
 	if err != nil {
-		log.Fatalf("[FATAL] Unable to read configuration file")
+		log.Fatalf("[FATAL] Unable to read configuration file: %v", err)
 	}
 	updateValues(&cfg, configFileData)
 
diff --git a/internal/config/initialize_test.go b/internal/config/initialize_test.go
index ba2d91a..7e281c0 100644
--- a/internal/config/initialize_test.go
+++ b/internal/config/initialize_test.go
@@ -1,19 +1,47 @@
 package config
 
 import (
+	"os"
 	"testing"
 )
 
+func TestInit(t *testing.T) {
+	cfg := Init()
+	if cfg.AllowAdminNoMutateToggle != "7b068a99-c02b-410a-bd59-3514bac85e7a" {
+		t.Errorf("Init() returned incorrect value for AllowAdminNoMutateToggle, got %v, wanted %v", cfg.AllowAdminNoMutateToggle, "7b068a99-c02b-410a-bd59-3514bac85e7a")
+	}
+}
+
+func TestGetOSEnv(t *testing.T) {
+	expected := "foo"
+	os.Setenv("TEST_ENV", expected)
+	result := getOSEnv("TEST_ENV", "bar")
+
+	if result != expected {
+		t.Errorf("getOSEnv() returned incorrect value, got %s, wanted %s", result, expected)
+	}
+
+	os.Unsetenv("TEST_ENV")
+	result = getOSEnv("TEST_ENV", expected)
+	if result != expected {
+		t.Errorf("getOSEnv() returned incorrect value, got %s, wanted %s", result, expected)
+	}
+}
+
 func TestUpdateValues(t *testing.T) {
 	cfg := Config{
 		AllowAdminNoMutate:       false,
 		AllowAdminNoMutateToggle: "7b068a99-c02b-410a-bd59-3514bac85e7a",
 		DockerhubRegistry:        "registry.hub.docker.com",
+		NameSpace:                "ingress-nginx",
 	}
 	cfgFile := configFileStruct{
 		AllowAdminNoMutate:       true,
 		AllowAdminNoMutateToggle: "test-token",
 		DockerhubRegistry:        "registry.example.com",
+		Kubernetes: KubernetesStruct{
+			Namespace: "example-namespace",
+		},
 	}
 
 	updateValues(&cfg, cfgFile)
@@ -26,13 +54,10 @@ func TestUpdateValues(t *testing.T) {
 	if cfg.DockerhubRegistry != cfgFile.DockerhubRegistry {
 		t.Errorf("updateValues() returned incorrect value for DockerhubRegistry, got %v, wanted %v", cfg.DockerhubRegistry, cfgFile.DockerhubRegistry)
 	}
+	if cfg.NameSpace != cfgFile.Kubernetes.Namespace {
+		t.Errorf("updateValues() returned incorrect value for NameSpace, got %v, wanted %v", cfg.NameSpace, cfgFile.Kubernetes.Namespace)
+	}
 	/*
-		if cfg.DockerhubRegistry == "registry.hub.docker.com" && configFileData.DockerhubRegistry != "registry.hub.docker.com" {
-			cfg.DockerhubRegistry = configFileData.DockerhubRegistry
-		}
-		if cfg.NameSpace == "ingress-nginx" && configFileData.Kubernetes.Namespace != "ingress-nginx" {
-			cfg.NameSpace = configFileData.Kubernetes.Namespace
-		}
 		if cfg.ServiceName == "webhook" && configFileData.Kubernetes.ServiceName != "webhook" {
 			cfg.ServiceName = configFileData.Kubernetes.ServiceName
 		}