diff --git a/pkg/controller/jenkins/configuration/base/resources/pod.go b/pkg/controller/jenkins/configuration/base/resources/pod.go
index 7f4146c1..3cd378cf 100644
--- a/pkg/controller/jenkins/configuration/base/resources/pod.go
+++ b/pkg/controller/jenkins/configuration/base/resources/pod.go
@@ -155,7 +155,7 @@ func getGroovyScriptsSecretVolumeName(jenkins *v1alpha2.Jenkins) string {
 }
 
 func getConfigurationAsCodeSecretVolumeName(jenkins *v1alpha2.Jenkins) string {
-	return "casc-" + jenkins.Spec.GroovyScripts.Secret.Name
+	return "casc-" + jenkins.Spec.ConfigurationAsCode.Secret.Name
 }
 
 // GetJenkinsMasterContainerBaseVolumeMounts returns Jenkins master pod volume mounts required by operator
diff --git a/pkg/controller/jenkins/configuration/base/resources/pod_test.go b/pkg/controller/jenkins/configuration/base/resources/pod_test.go
new file mode 100644
index 00000000..e198b4f4
--- /dev/null
+++ b/pkg/controller/jenkins/configuration/base/resources/pod_test.go
@@ -0,0 +1,158 @@
+package resources
+
+import (
+	"testing"
+
+	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetJenkinsMasterPodBaseVolumes(t *testing.T) {
+	t.Run("casc and groovy script with different configMap names", func(t *testing.T) {
+		configMapName := "config-map"
+		jenkins := &v1alpha2.Jenkins{
+			Spec: v1alpha2.JenkinsSpec{
+				ConfigurationAsCode: v1alpha2.ConfigurationAsCode{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: configMapName,
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "casc-script",
+						},
+					},
+				},
+				GroovyScripts: v1alpha2.GroovyScripts{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: configMapName,
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "groovy-script",
+						},
+					},
+				},
+			},
+		}
+
+		groovyExists, cascExists := checkSecretVolumesPresence(jenkins)
+
+		assert.True(t, groovyExists)
+		assert.True(t, cascExists)
+	})
+	t.Run("groovy script without secret name", func(t *testing.T) {
+		jenkins := &v1alpha2.Jenkins{
+			Spec: v1alpha2.JenkinsSpec{
+				ConfigurationAsCode: v1alpha2.ConfigurationAsCode{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "casc-scripts",
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "jenkins-secret",
+						},
+					},
+				},
+				GroovyScripts: v1alpha2.GroovyScripts{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "groovy-scripts",
+							},
+						},
+					},
+				},
+			},
+		}
+
+		groovyExists, cascExists := checkSecretVolumesPresence(jenkins)
+
+		assert.True(t, cascExists)
+		assert.False(t, groovyExists)
+	})
+	t.Run("casc without secret name", func(t *testing.T) {
+		jenkins := &v1alpha2.Jenkins{
+			Spec: v1alpha2.JenkinsSpec{
+				ConfigurationAsCode: v1alpha2.ConfigurationAsCode{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "casc-scripts",
+							},
+						},
+					},
+				},
+				GroovyScripts: v1alpha2.GroovyScripts{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "groovy-scripts",
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "jenkins-secret",
+						},
+					},
+				},
+			},
+		}
+
+		groovyExists, cascExists := checkSecretVolumesPresence(jenkins)
+
+		assert.True(t, groovyExists)
+		assert.False(t, cascExists)
+	})
+	t.Run("casc and groovy script shared secret name", func(t *testing.T) {
+		jenkins := &v1alpha2.Jenkins{
+			Spec: v1alpha2.JenkinsSpec{
+				ConfigurationAsCode: v1alpha2.ConfigurationAsCode{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "casc-scripts",
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "jenkins-secret",
+						},
+					},
+				},
+				GroovyScripts: v1alpha2.GroovyScripts{
+					Customization: v1alpha2.Customization{
+						Configurations: []v1alpha2.ConfigMapRef{
+							{
+								Name: "groovy-scripts",
+							},
+						},
+						Secret: v1alpha2.SecretRef{
+							Name: "jenkins-secret",
+						},
+					},
+				},
+			},
+		}
+
+		groovyExists, cascExists := checkSecretVolumesPresence(jenkins)
+
+		assert.True(t, groovyExists)
+		assert.True(t, cascExists)
+	})
+}
+
+func checkSecretVolumesPresence(jenkins *v1alpha2.Jenkins) (groovyExists bool, cascExists bool) {
+	for _, volume := range GetJenkinsMasterPodBaseVolumes(jenkins) {
+		if volume.Name == ("gs-" + jenkins.Spec.GroovyScripts.Secret.Name) {
+			groovyExists = true
+		} else if volume.Name == ("casc-" + jenkins.Spec.ConfigurationAsCode.Secret.Name) {
+			cascExists = true
+		}
+	}
+	return groovyExists, cascExists
+}
+