diff --git a/manila/share/drivers/hitachi/hnas/driver.py b/manila/share/drivers/hitachi/hnas/driver.py
index 0f6b8befda..fd0a9926cc 100644
--- a/manila/share/drivers/hitachi/hnas/driver.py
+++ b/manila/share/drivers/hitachi/hnas/driver.py
@@ -481,12 +481,12 @@ class HitachiHNASDriver(driver.ShareDriver):
                      {'shr_path': share['export_locations'][0]['path'],
                       'shr_id': share['id']})
 
-            old_path_info = share['export_locations'][0]['path'].split(':')
-            old_path = old_path_info[1].split('/')
+            old_path_info = share['export_locations'][0]['path'].split(
+                ':/shares/')
 
-            if len(old_path) == 3:
+            if len(old_path_info) == 2:
                 evs_ip = old_path_info[0]
-                hnas_share_id = old_path[2]
+                hnas_share_id = old_path_info[1]
             else:
                 msg = _("Incorrect path. It should have the following format: "
                         "IP:/shares/share_id.")
diff --git a/manila/tests/share/drivers/hitachi/hnas/test_driver.py b/manila/tests/share/drivers/hitachi/hnas/test_driver.py
index 3ab80f7732..3b5e30abc1 100644
--- a/manila/tests/share/drivers/hitachi/hnas/test_driver.py
+++ b/manila/tests/share/drivers/hitachi/hnas/test_driver.py
@@ -596,14 +596,19 @@ class HitachiHNASTestCase(test.TestCase):
         self.assertRaises(exception.HNASBackendException,
                           self._driver.manage_existing, share_nfs, 'option')
 
-    @ddt.data(share_nfs, share_cifs)
-    def test_manage_existing_wrong_path_format(self, share):
-        share_copy = share.copy()
-        share_copy['export_locations'] = [{'path': ':/'}]
+    @ddt.data(':/', '1.1.1.1:/share_id', '1.1.1.1:/shares',
+              '1.1.1.1:shares/share_id', ':/share_id')
+    def test_manage_existing_wrong_path_format(self, wrong_location):
+        expected_exception = ("Share backend error: Incorrect path. It "
+                              "should have the following format: "
+                              "IP:/shares/share_id.")
+        share_copy = share_nfs.copy()
+        share_copy['export_locations'] = [{'path': wrong_location}]
 
-        self.assertRaises(exception.ShareBackendException,
-                          self._driver.manage_existing, share_copy,
-                          'option')
+        ex = self.assertRaises(exception.ShareBackendException,
+                               self._driver.manage_existing, share_copy,
+                               'option')
+        self.assertEqual(expected_exception, ex.msg)
 
     def test_manage_existing_wrong_evs_ip(self):
         share_nfs['export_locations'] = [{'path': '172.24.44.189:/shares/'
diff --git a/releasenotes/notes/fix-managing-twice-hnas-4956a7653d27e320.yaml b/releasenotes/notes/fix-managing-twice-hnas-4956a7653d27e320.yaml
new file mode 100644
index 0000000000..d684e3b64b
--- /dev/null
+++ b/releasenotes/notes/fix-managing-twice-hnas-4956a7653d27e320.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - Fixed Hitachi HNAS driver allowing a share to be managed twice through
+    a malformed export location parameter.