diff --git a/builder/stage4/05-pisdr-uhd/00-run.sh b/builder/stage4/05-pisdr-uhd/00-run.sh
index 23fa36d..fb60146 100755
--- a/builder/stage4/05-pisdr-uhd/00-run.sh
+++ b/builder/stage4/05-pisdr-uhd/00-run.sh
@@ -17,8 +17,6 @@ cmake -DCMAKE_CXX_FLAGS:STRING="-march=armv7-a -mfloat-abi=hard -mfpu=neon -mtun
       -DCMAKE_ASM_FLAGS:STRING="-march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a15" \
       -GNinja -DCMAKE_BUILD_TYPE=Release ../
 ninja install
-cp /usr/local/lib/uhd/utils/uhd-usrp.rules /etc/udev/rules.d/
-udevadm control --reload-rules
-udevadm trigger
 ldconfig
+uhd_images_downloader
 EOF
\ No newline at end of file
diff --git a/builder/stage4/26-pisdr-udev/00-run.sh b/builder/stage4/26-pisdr-udev/00-run.sh
new file mode 100755
index 0000000..c5862b6
--- /dev/null
+++ b/builder/stage4/26-pisdr-udev/00-run.sh
@@ -0,0 +1,13 @@
+#!/bin/bash -e
+
+on_chroot << EOF
+chown pi:pi /etc/udev/rules.d/52-airspy.rules
+chown pi:pi /etc/udev/rules.d/52-airspyhf.rules
+chown pi:pi /etc/udev/rules.d/rtl-sdr.rules
+chown pi:pi /lib/udev/rules.d/90-libiio.rules
+chown pi:pi /etc/udev/rules.d/53-hackrf.rules
+chown pi:pi /usr/local/lib/uhd/utils/uhd-usrp.rules
+chown pi:pi /etc/udev/rules.d/uhd-usrp.rules
+udevadm control --reload-rules
+udevadm trigger
+EOF
\ No newline at end of file