diff --git a/pyinfra/connectors/vagrant.py b/pyinfra/connectors/vagrant.py
index 1f5f18e8c..5249551ba 100644
--- a/pyinfra/connectors/vagrant.py
+++ b/pyinfra/connectors/vagrant.py
@@ -93,13 +93,13 @@ def _make_name_data(host):
         "ssh_hostname": host["HostName"],
     }
 
-    for config_key, data_key in (
-        ("Port", "ssh_port"),
-        ("User", "ssh_user"),
-        ("IdentityFile", "ssh_key"),
+    for config_key, data_key, data_cast in (
+        ("Port", "ssh_port", int),
+        ("User", "ssh_user", str),
+        ("IdentityFile", "ssh_key", str),
     ):
         if config_key in host:
-            data[data_key] = host[config_key]
+            data[data_key] = data_cast(host[config_key])
 
     # Update any configured JSON data
     if vagrant_host in vagrant_options.get("data", {}):
diff --git a/tests/test_connectors/test_vagrant.py b/tests/test_connectors/test_vagrant.py
index 6ea17ec05..f653bc7f6 100644
--- a/tests/test_connectors/test_vagrant.py
+++ b/tests/test_connectors/test_vagrant.py
@@ -75,7 +75,7 @@ def test_make_names_data_with_options(self):
             (
                 "@vagrant/ubuntu16",
                 {
-                    "ssh_port": "2222",
+                    "ssh_port": 2222,
                     "ssh_user": "vagrant",
                     "ssh_hostname": "127.0.0.1",
                     "ssh_key": "path/to/key",
@@ -85,7 +85,7 @@ def test_make_names_data_with_options(self):
             (
                 "@vagrant/centos7",
                 {
-                    "ssh_port": "2200",
+                    "ssh_port": 2200,
                     "ssh_user": "vagrant",
                     "ssh_hostname": "127.0.0.1",
                     "ssh_key": "path/to/key",
@@ -109,7 +109,7 @@ def test_make_names_data_with_limit(self):
             (
                 "@vagrant/ubuntu16",
                 {
-                    "ssh_port": "2222",
+                    "ssh_port": 2222,
                     "ssh_user": "vagrant",
                     "ssh_hostname": "127.0.0.1",
                     "ssh_key": "path/to/key",