diff --git a/ansible/roles/horizon/templates/horizon.conf.j2 b/ansible/roles/horizon/templates/horizon.conf.j2
index 0c6cc0eb25..e5f851aeba 100644
--- a/ansible/roles/horizon/templates/horizon.conf.j2
+++ b/ansible/roles/horizon/templates/horizon.conf.j2
@@ -15,7 +15,8 @@ TraceEnable off
 
 <VirtualHost {{ api_interface_address }}:{{ horizon_listen_port }}>
     LogLevel warn
-    ErrorLog /var/log/kolla/horizon/horizon.log
+    ErrorLogFormat "%{cu}t %M"
+    ErrorLog /var/log/kolla/horizon/horizon-error.log
     LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b %D \"%{Referer}i\" \"%{User-Agent}i\"" logformat
     CustomLog /var/log/kolla/horizon/horizon-access.log logformat
 
diff --git a/releasenotes/notes/horizon-log-bugfix-b89f502c2f3ccaf9.yaml b/releasenotes/notes/horizon-log-bugfix-b89f502c2f3ccaf9.yaml
new file mode 100644
index 0000000000..cda884b721
--- /dev/null
+++ b/releasenotes/notes/horizon-log-bugfix-b89f502c2f3ccaf9.yaml
@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    Fixes an issue where Fluentd was parsing Horizon WSGI application logs
+    incorrectly.
+    Horizon error logs are now written to ``horizon-error.log`` instead of
+    ``horizon.log``.
+    See `LP#1898174 <https://bugs.launchpad.net/kolla-ansible/+bug/1898174>`__