diff --git a/tests/components/waveshare_io_ch32v003/common.yaml b/tests/components/waveshare_io_ch32v003/common.yaml
index 086b27ab96..c8805583c7 100644
--- a/tests/components/waveshare_io_ch32v003/common.yaml
+++ b/tests/components/waveshare_io_ch32v003/common.yaml
@@ -1,5 +1,6 @@
 waveshare_io_ch32v003:
   - id: wave_io
+    i2c_id: i2c_bus
     address: 0x24
 
 binary_sensor: