diff --git a/manifests/e2e_orchestratorservice.yaml b/manifests/e2e_orchestratorservice.yaml
index 5f70fdfdac08112650afc7bc50f02a7eedd5a30a..893f3464fabea2d1151c007a612e781d1f999093 100644
--- a/manifests/e2e_orchestratorservice.yaml
+++ b/manifests/e2e_orchestratorservice.yaml
@@ -44,11 +44,11 @@ spec:
             - name: WS_IP_HOST
               value: "nbiservice.tfs-ip.svc.cluster.local"
             - name: WS_IP_PORT
-              value: 8761
+              value: "8761"
             - name: WS_E2E_HOST
               value: "e2e-orchestratorservice.tfs-e2e.svc.cluster.local"
             - name: WS_E2E_PORT
-              value: 8762
+              value: "8762"
           readinessProbe:
             exec:
               command: ["/bin/grpc_health_probe", "-addr=:10050"]
diff --git a/manifests/nbiservice.yaml b/manifests/nbiservice.yaml
index a514736c14a9bdd1f64301e5566719bb5ee5c0c7..72cfde514341b0ef89b3b8eb91ab01b23a27c14b 100644
--- a/manifests/nbiservice.yaml
+++ b/manifests/nbiservice.yaml
@@ -45,7 +45,7 @@ spec:
             - name: IETF_NETWORK_RENDERER
               value: "LIBYANG"
             - name: WS_E2E_PORT
-              value: 8762
+              value: "8762"
           readinessProbe:
             exec:
               command: ["/bin/grpc_health_probe", "-addr=:9090"]
diff --git a/manifests/vnt_managerservice.yaml b/manifests/vnt_managerservice.yaml
index 2e31c743902da3dd6ab9354f5b7617d4e884751e..62c575139e972d9d7ae26f1218f78f725291cc5b 100644
--- a/manifests/vnt_managerservice.yaml
+++ b/manifests/vnt_managerservice.yaml
@@ -41,9 +41,9 @@ spec:
             - name: LOG_LEVEL
               value: "INFO"
             - name: WS_IP_PORT
-              value: 8761
+              value: "8761"
             - name: WS_E2E_PORT
-              value: 8762
+              value: "8762"
           readinessProbe:
             exec:
               command: ["/bin/grpc_health_probe", "-addr=:10080"]