diff --git a/src/main/helm/templates/deployment.yaml b/src/main/helm/templates/deployment.yaml
index 6d03c88dcda954769c7fab112d81621e91f4d6fa..d39c08c77eccc29604fe19c79e9de5c81b731665 100644
--- a/src/main/helm/templates/deployment.yaml
+++ b/src/main/helm/templates/deployment.yaml
@@ -221,7 +221,7 @@ spec:
 
           {{- if .Values.disableGrpcTls }}
           - name: grpc_server_security_enabled
-            value: false
+            value: "false"
           {{- end }}
 
         {{- if or (.Values.database).useExternal (.Values.ozgcloudProxyApi).apikey }}
diff --git a/src/test/helm/deployment_grpc_tls_test.yaml b/src/test/helm/deployment_grpc_tls_test.yaml
index 91494cfe62d56ef514d6446fa88271ef437079a1..120c32436acb99bf04891c2911f0804077b7b862 100644
--- a/src/test/helm/deployment_grpc_tls_test.yaml
+++ b/src/test/helm/deployment_grpc_tls_test.yaml
@@ -93,4 +93,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: grpc_server_security_enabled
-            value: false
\ No newline at end of file
+            value: "false"
\ No newline at end of file