diff --git a/ha-configuration.yaml b/ha-configuration.yaml
index 474fc5c..cd27653 100644
--- a/ha-configuration.yaml
+++ b/ha-configuration.yaml
@@ -15,8 +15,8 @@ template:
         state: "{{ now().isoformat() }}"
         attributes:
           moon_phase: >
-            {% set cond_moon = state_attr('sensor.moon_phase', 'icon') %}
-            {{ cond_moon.split('mdi:')[1] }}
+            {% set cond_moon = states('sensor.moon_phase') %}
+            {{ "moon-" + cond_moon | replace("_", "-") }}
           sun_next_rising: >
             {{ as_timestamp(state_attr("sun.sun", "next_rising")) | timestamp_custom('%-I:%M %p') }}
           sun_next_setting: >