diff --git a/blueprints/automation/awtrix_weatherflow.yaml b/blueprints/automation/awtrix_weatherflow.yaml
index 9b502dc..0b91d66 100644
--- a/blueprints/automation/awtrix_weatherflow.yaml
+++ b/blueprints/automation/awtrix_weatherflow.yaml
@@ -654,9 +654,9 @@ variables:
   text_available_width: >
     {%- if show_moon %}16{%- else %}24{%- endif %}
   text_len: >-
-    {%- macro get_text_len(string) %}
+    {%- macro get_text_len(text) %}
     {%- set length = namespace(value=0) %}
-    {%- for char in string %}
+    {%- for char in text|string() %}
       {%- if char.isdigit() %}
         {%- set length.value = length.value + 3 %}
       {%- elif char == '°' %}