diff --git a/scripts/install-toolchain.sh b/scripts/install-toolchain.sh
index bb93903..fe1a10a 100644
--- a/scripts/install-toolchain.sh
+++ b/scripts/install-toolchain.sh
@@ -1 +1,7 @@
-sudo apk add make cmake avrdude avr-libc gcc-avr
\ No newline at end of file
+sudo apk add make cmake avrdude avr-libc gcc-avr
+if [[ -c /dev/ttyUSB0 ]]; then
+    sudo chown root:$(id -gn $(whoami)) /dev/ttyUSB0
+fi
+if [[ -c /dev/ttyUSB1 ]]; then
+    sudo chown root:$(id -gn $(whoami)) /dev/ttyUSB1
+fi