diff --git a/fpga/run-node.sh b/fpga/run-node.sh
index 6f1de88..01ab16e 100755
--- a/fpga/run-node.sh
+++ b/fpga/run-node.sh
@@ -18,13 +18,16 @@ killall picocom || true
 set -x
 
 # Then perform the boot
-./fpgactl -w bitstream.bit -b opensbi.bin -k kernel.bin -i initrd.bin # -r rootfs.img
+./fpgactl -w bitstream.bit -b opensbi.bin -k kernel.bin -i initrd.bin -r rootfs.img
 
 # Restart it again only loading the bootrom and OpenSBI (notice OpenSBI
 # relocates itself so it will likely be gone by now)
 sleep 1 && ./fpgactl -b opensbi.bin &
 
-# Set dead switch
-sleep 300 && killall picocom &
+timeout=$((30 * 60)) # Always stop after 30 min
+timeout_silent=$((10 * 60)) # Stop if 10 min without output
 
-picocom -q -x 300000 -b 115200 $FPGACTL_UART
+# Set dead switch
+sleep $timeout && killall picocom &
+
+picocom -q -x $(($timeout_silent*1000)) -b 115200 $FPGACTL_UART