diff --git a/pkg/upgrade/upgrader/helper.go b/pkg/upgrade/upgrader/helper.go
index 80d3b89bf6..b69bab7928 100644
--- a/pkg/upgrade/upgrader/helper.go
+++ b/pkg/upgrade/upgrader/helper.go
@@ -111,7 +111,11 @@ func getContainerName(d *appsv1.Deployment) (string, error) {
 func getBaseImage(deployObj *appsv1.Deployment, name string) (string, error) {
 	for _, con := range deployObj.Spec.Template.Spec.Containers {
 		if con.Name == name {
-			baseImage := strings.Split(con.Image, ":")[0]
+			lastIndex := strings.LastIndex(con.Image, ":")
+			if lastIndex == -1 {
+				return "", errors.Errorf("no version tag found on image %s", con.Image)
+			}
+			baseImage := con.Image[:lastIndex]
 			if urlPrefix != "" {
 				// urlPrefix is the url to the directory where the images are present
 				// the below logic takes the image name from current baseImage and
diff --git a/pkg/upgrade/upgrader/helper_test.go b/pkg/upgrade/upgrader/helper_test.go
new file mode 100644
index 0000000000..ce267ecbc5
--- /dev/null
+++ b/pkg/upgrade/upgrader/helper_test.go
@@ -0,0 +1,118 @@
+/*
+Copyright 2019 The OpenEBS Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	"testing"
+
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+)
+
+func Test_getBaseImage(t *testing.T) {
+	type args struct {
+		deployObj *appsv1.Deployment
+		name      string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    string
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+		{
+			name:    "Without proxy",
+			want:    "quay.io/openebs/cstor-pool",
+			wantErr: false,
+			args: args{
+				deployObj: &appsv1.Deployment{
+					Spec: appsv1.DeploymentSpec{
+						Template: corev1.PodTemplateSpec{
+							Spec: corev1.PodSpec{
+								Containers: []corev1.Container{
+									corev1.Container{
+										Name:  "cstor-pool",
+										Image: "quay.io/openebs/cstor-pool:1.4.0",
+									},
+								},
+							},
+						},
+					},
+				},
+				name: "cstor-pool",
+			},
+		},
+		{
+			name:    "With proxy",
+			want:    "fsdepot.evry.com:8085/openebs/cstor-pool",
+			wantErr: false,
+			args: args{
+				deployObj: &appsv1.Deployment{
+					Spec: appsv1.DeploymentSpec{
+						Template: corev1.PodTemplateSpec{
+							Spec: corev1.PodSpec{
+								Containers: []corev1.Container{
+									corev1.Container{
+										Name:  "cstor-pool",
+										Image: "fsdepot.evry.com:8085/openebs/cstor-pool:1.4.0",
+									},
+								},
+							},
+						},
+					},
+				},
+				name: "cstor-pool",
+			},
+		},
+		{
+			name:    "With no image tag",
+			want:    "",
+			wantErr: true,
+			args: args{
+				deployObj: &appsv1.Deployment{
+					Spec: appsv1.DeploymentSpec{
+						Template: corev1.PodTemplateSpec{
+							Spec: corev1.PodSpec{
+								Containers: []corev1.Container{
+									corev1.Container{
+										Name:  "cstor-pool",
+										Image: "quay.io/openebs/cstor-pool",
+									},
+								},
+							},
+						},
+					},
+				},
+				name: "cstor-pool",
+			},
+		},
+	}
+	for _, tt := range tests {
+		tt := tt // pin it
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := getBaseImage(tt.args.deployObj, tt.args.name)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("getBaseImage() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("getBaseImage() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}