diff --git a/app/main.py b/app/main.py
index 342141f..b3ebe88 100644
--- a/app/main.py
+++ b/app/main.py
@@ -15,8 +15,8 @@ REGISTRY.unregister(PROCESS_COLLECTOR)
 
 def setup_gauge():
     g = Gauge(f'sys_cpu_temp_celsius_degrees', 'CPU Temperature', ['node_name'])
-    g.set_function(_get_temp)
     g.labels(_get_node_name())
+    g.set_function(_get_temp)
 
 
 def _get_temp():