diff --git a/juju/model.py b/juju/model.py
index ab5bb88d3..45faa99e2 100644
--- a/juju/model.py
+++ b/juju/model.py
@@ -29,6 +29,7 @@
 from .client import client, connector
 from .client.overrides import Caveat, Macaroon
 from .constraints import parse as parse_constraints
+from .constraints import parse_storage_constraint
 from .controller import Controller, ConnectedController
 from .delta import get_entity_class, get_entity_delta
 from .errors import JujuAPIError, JujuError, JujuModelConfigError, JujuBackupError
@@ -2115,7 +2116,7 @@ async def _deploy(self, charm_url, application, series, config,
                 devices=devices,
                 dryrun=False,
                 placement=placement,
-                storage=storage,
+                storage={k: parse_storage_constraint(v) for k, v in (storage or dict()).items()},
                 trust=trust,
                 base=charm_origin.base,
                 channel=channel,
@@ -2150,7 +2151,7 @@ async def _deploy(self, charm_url, application, series, config,
                 endpoint_bindings=endpoint_bindings,
                 num_units=num_units,
                 resources=resources,
-                storage=storage,
+                storage={k: parse_storage_constraint(v) for k, v in (storage or dict()).items()},
                 placement=placement,
                 devices=devices,
                 attach_storage=attach_storage,
diff --git a/tests/integration/bundle/bundle-with-storage-constraint.yaml b/tests/integration/bundle/bundle-with-storage-constraint.yaml
new file mode 100644
index 000000000..4fd78612b
--- /dev/null
+++ b/tests/integration/bundle/bundle-with-storage-constraint.yaml
@@ -0,0 +1,11 @@
+name: bundle-with-storage-constraint
+
+series: jammy
+
+applications:
+  postgresql:
+    charm: postgresql
+    num_units: 1
+    channel: 14/stable
+    storage:
+      pgdata: lxd,8G
diff --git a/tests/integration/test_model.py b/tests/integration/test_model.py
index b078cc8db..d10e3fbbe 100644
--- a/tests/integration/test_model.py
+++ b/tests/integration/test_model.py
@@ -211,6 +211,18 @@ async def test_deploy_invalid_bundle():
             await model.deploy(str(bundle_path))
 
 
+@base.bootstrapped
+@pytest.mark.bundle
+async def test_deploy_bundle_with_storage_constraint():
+    bundle_path = INTEGRATION_TEST_DIR / 'bundle' / 'bundle-with-storage-constraint.yaml'
+
+    async with base.CleanModel() as model:
+        await model.deploy(bundle_path)
+        await wait_for_bundle(model, bundle_path)
+        storage = await model.list_storage()
+        assert len(storage) == 1
+
+
 @base.bootstrapped
 async def test_deploy_local_charm():
     charm_path = TESTS_DIR / 'charm'