diff --git a/samples/tutorials/node.js/macOS/SqlServerColumnstoreSample/columnstore.js b/samples/tutorials/node.js/macOS/SqlServerColumnstoreSample/columnstore.js
index ff4b9902..c1e3f7da 100644
--- a/samples/tutorials/node.js/macOS/SqlServerColumnstoreSample/columnstore.js
+++ b/samples/tutorials/node.js/macOS/SqlServerColumnstoreSample/columnstore.js
@@ -44,4 +44,7 @@ connection.on('connect', function(err) {
             exec('SELECT SUM(Price) FROM Table_with_5M_rows');
         },
     ]);
-});
\ No newline at end of file
+});
+
+// Initialize the connection.
+connection.connect();
diff --git a/samples/tutorials/node.js/macOS/SqlServerSample/connect.js b/samples/tutorials/node.js/macOS/SqlServerSample/connect.js
index 7a405b04..e4ff0cb5 100644
--- a/samples/tutorials/node.js/macOS/SqlServerSample/connect.js
+++ b/samples/tutorials/node.js/macOS/SqlServerSample/connect.js
@@ -20,4 +20,7 @@ connection.on('connect', function(err) {
   } else {
     console.log('Connected');
   }
-});
\ No newline at end of file
+});
+
+// Initialize the connection.
+connection.connect();
diff --git a/samples/tutorials/node.js/macOS/SqlServerSample/crud.js b/samples/tutorials/node.js/macOS/SqlServerSample/crud.js
index 160a28f1..4b26179b 100644
--- a/samples/tutorials/node.js/macOS/SqlServerSample/crud.js
+++ b/samples/tutorials/node.js/macOS/SqlServerSample/crud.js
@@ -123,7 +123,10 @@ connection.on('connect', function(err) {
       } else {
         console.log("Done!");
       }
-    }
-                   )
+    })
   }
-});
\ No newline at end of file
+});
+
+
+// Initialize the connection.
+connection.connect();