diff --git a/openstack_dashboard/api/neutron.py b/openstack_dashboard/api/neutron.py
index 1478a6f85a..9d91bda4d9 100644
--- a/openstack_dashboard/api/neutron.py
+++ b/openstack_dashboard/api/neutron.py
@@ -1091,7 +1091,7 @@ def servers_update_addresses(request, servers, all_tenants=False):
                 ports_floating_ips,
                 network_names)
         except Exception as e:
-            LOG.error(e)
+            LOG.error(six.text_type(e))
         else:
             server.addresses = addresses
 
diff --git a/openstack_dashboard/dashboards/project/instances/workflows/create_instance.py b/openstack_dashboard/dashboards/project/instances/workflows/create_instance.py
index 46311f1ac0..ab32ddc79f 100644
--- a/openstack_dashboard/dashboards/project/instances/workflows/create_instance.py
+++ b/openstack_dashboard/dashboards/project/instances/workflows/create_instance.py
@@ -21,6 +21,7 @@ import logging
 import operator
 
 from oslo_utils import units
+import six
 
 from django.template.defaultfilters import filesizeformat  # noqa
 from django.utils.text import normalize_newlines  # noqa
@@ -688,7 +689,8 @@ class CustomizeAction(workflows.Action):
                     except Exception as e:
                         msg = _('There was a problem parsing the'
                                 ' %(prefix)s: %(error)s')
-                        msg = msg % {'prefix': prefix, 'error': e}
+                        msg = msg % {'prefix': prefix,
+                                     'error': six.text_type(e)}
                         raise forms.ValidationError(msg)
                 return script
         else:
diff --git a/openstack_dashboard/dashboards/project/stacks/forms.py b/openstack_dashboard/dashboards/project/stacks/forms.py
index 1980aa55c2..dccdacfbf5 100644
--- a/openstack_dashboard/dashboards/project/stacks/forms.py
+++ b/openstack_dashboard/dashboards/project/stacks/forms.py
@@ -191,7 +191,7 @@ class TemplateForm(forms.SelfHandlingForm):
                 except Exception as e:
                     msg = _('There was a problem parsing the'
                             ' %(prefix)s: %(error)s')
-                    msg = msg % {'prefix': prefix, 'error': e}
+                    msg = msg % {'prefix': prefix, 'error': six.text_type(e)}
                     raise forms.ValidationError(msg)
             cleaned[data_str] = tpl