diff --git a/ci/build-arduino.sh b/ci/build-arduino.sh
index 5c67bfd..7f84e16 100644
--- a/ci/build-arduino.sh
+++ b/ci/build-arduino.sh
@@ -57,6 +57,6 @@ for f in **/*.ino ; do
      d=$(dirname $(readlink -f $f))
      echo $d
      cd $d
-     arduino-cli compile -b esp32:esp32:esp32 $f 
+     arduino-cli compile -b esp32:esp32:esp32 *.ino 
      cd $dR
 done