diff --git a/neutron/files/default b/neutron/files/default
index be6a4c1..60df58e 100644
--- a/neutron/files/default
+++ b/neutron/files/default
@@ -1,4 +1,4 @@
 # Generated by Salt.
 {%- if values.logging.log_appender %}
-DAEMON_ARGS="--log-config-append=/etc/neutron/logging/logging-{{ service_name }}.conf"
+DAEMON_ARGS="${DAEMON_ARGS} --log-config-append=/etc/neutron/logging/logging-{{ service_name }}.conf"
 {%- endif %}
diff --git a/neutron/files/mitaka/neutron-server b/neutron/files/mitaka/neutron-server
index 59f0305..ee68f08 100644
--- a/neutron/files/mitaka/neutron-server
+++ b/neutron/files/mitaka/neutron-server
@@ -16,5 +16,5 @@
 {%- endif %}
 
 {%- if server.logging.log_appender %}
-DAEMON_ARGS="--log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
+DAEMON_ARGS="${DAEMON_ARGS} --log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
 {%- endif %}
diff --git a/neutron/files/newton/neutron-server b/neutron/files/newton/neutron-server
index 59f0305..ee68f08 100644
--- a/neutron/files/newton/neutron-server
+++ b/neutron/files/newton/neutron-server
@@ -16,5 +16,5 @@
 {%- endif %}
 
 {%- if server.logging.log_appender %}
-DAEMON_ARGS="--log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
+DAEMON_ARGS="${DAEMON_ARGS} --log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
 {%- endif %}
diff --git a/neutron/files/ocata/neutron-server b/neutron/files/ocata/neutron-server
index 07fba29..b2e8978 100644
--- a/neutron/files/ocata/neutron-server
+++ b/neutron/files/ocata/neutron-server
@@ -16,5 +16,5 @@
 {%- endif %}
 
 {%- if server.logging.log_appender %}
-DAEMON_ARGS="--log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
+DAEMON_ARGS="${DAEMON_ARGS} --log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
 {%- endif %}
diff --git a/neutron/files/pike/neutron-server b/neutron/files/pike/neutron-server
index 07fba29..b2e8978 100644
--- a/neutron/files/pike/neutron-server
+++ b/neutron/files/pike/neutron-server
@@ -16,5 +16,5 @@
 {%- endif %}
 
 {%- if server.logging.log_appender %}
-DAEMON_ARGS="--log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
+DAEMON_ARGS="${DAEMON_ARGS} --log-config-append=/etc/neutron/logging/logging-neutron-server.conf"
 {%- endif %}