diff --git a/tests/components/tfluna/common.yaml b/tests/components/tfluna/common.yaml
index 5804ae6981..57ecf89286 100644
--- a/tests/components/tfluna/common.yaml
+++ b/tests/components/tfluna/common.yaml
@@ -1,4 +1,5 @@
 tfluna:
+  - i2c_id: i2c_bus
 
 sensor:
   - platform: tfluna