diff --git a/tests/components/st7701s/test.esp32-s3-idf.yaml b/tests/components/st7701s/test.esp32-s3-idf.yaml
index 5024a908dc..87e5248888 100644
--- a/tests/components/st7701s/test.esp32-s3-idf.yaml
+++ b/tests/components/st7701s/test.esp32-s3-idf.yaml
@@ -2,6 +2,7 @@ packages:
   spi: !include ../../test_build_components/common/spi/esp32-s3-idf.yaml
 
 substitutions:
+  mosi_pin: GPIO48
   cs_pin: GPIO44
   de_pin: GPIO18
   reset_pin: GPIO47