diff --git a/lib/compile/csdl2openapi.js b/lib/compile/csdl2openapi.js
index e8955b3..9338a17 100644
--- a/lib/compile/csdl2openapi.js
+++ b/lib/compile/csdl2openapi.js
@@ -462,7 +462,7 @@ module.exports.csdl2openapi = function (
                 // if csdl.$Version is 4.01 then protocol is rest if it is less than 4.01 then protocol is odata
                 const protocol = csdl.$Version <= '4.01' ? 'odata/v4' : 'rest';
                 // append /protocol/{$serviceName} to the URL
-                servers.forEach(server => { server.url = server.url + '/' + protocol + csdl.$EntityContainer });
+                servers.forEach(server => { server.url = server.url + '/' + protocol + '/' + csdl.$EntityContainer });
             } catch (err) {
                 throw new Error(`The input server object is invalid.`);
             }
diff --git a/test/lib/compile/openapi.test.js b/test/lib/compile/openapi.test.js
index 3b0dd2a..5ae44f6 100644
--- a/test/lib/compile/openapi.test.js
+++ b/test/lib/compile/openapi.test.js
@@ -189,7 +189,7 @@ describe('OpenAPI export', () => {
     const serverObj = "[{\n \"url\": \"https://{customer1Id}.saas-app.com:{port}/v2\",\n \"variables\": {\n \"customer1Id\": \"demo\",\n \"description\": \"Customer1 ID assigned by the service provider\"\n }\n}, {\n \"url\": \"https://{customer2Id}.saas-app.com:{port}/v2\",\n \"variables\": {\n \"customer2Id\": \"demo\",\n \"description\": \"Customer2 ID assigned by the service provider\"\n }\n}]"
     const openapi = toOpenApi(csn, { 'openapi:servers': serverObj });
     expect(openapi.servers).toBeTruthy();
-    expect(openapi.servers[0].url).toMatch('https://{customer1Id}.saas-app.com:{port}/v2/odata/v4A.EntityContainer')
+    expect(openapi.servers[0].url).toMatch('https://{customer1Id}.saas-app.com:{port}/v2/odata/v4/A.EntityContainer')
   });