diff --git a/.github/scripts/install-platformio.sh b/.github/scripts/install-platformio.sh
index 0b8296ff3..c2cc311e9 100644
--- a/.github/scripts/install-platformio.sh
+++ b/.github/scripts/install-platformio.sh
@@ -21,7 +21,7 @@ function build_pio_sketch(){ # build_pio_sketch <board> <options> <path-to-ino>
     local sketch_dir=$(dirname "$sketch")
     echo ""
     echo "Compiling '"$(basename "$sketch")"' ..."
-    python -m platformio ci --board "$board" "$sketch_dir" --project-option="$options" --project-options="framework=arduino"
+    python -m platformio ci --board "$board" "$sketch_dir" --project-option="$options" --project-option="framework=arduino"
 }
 
 function count_sketches(){ # count_sketches <examples-path>