diff --git a/contrib/sysmobts.service b/contrib/sysmobts.service
index cf6aa1aa1..9ac51e909 100644
--- a/contrib/sysmobts.service
+++ b/contrib/sysmobts.service
@@ -9,6 +9,7 @@ ExecStopPost=/bin/sh -c 'echo 0 > /sys/class/leds/activity_led/brightness'
 ExecStopPost=/bin/sh -c 'cat /lib/firmware/sysmobts-v?.bit > /dev/fpgadl_par0 ; sleep 3s; cat /lib/firmware/sysmobts-v?.out > /dev/dspdl_dm644x_0; sleep 1s'
 Restart=always
 RestartSec=2
+RestartPreventExitStatus=1
 
 # The msg queues must be read fast enough
 CPUSchedulingPolicy=rr
diff --git a/src/osmo-bts-sysmo/main.c b/src/osmo-bts-sysmo/main.c
index 74ee47f8c..921103e61 100644
--- a/src/osmo-bts-sysmo/main.c
+++ b/src/osmo-bts-sysmo/main.c
@@ -351,7 +351,7 @@ int main(int argc, char **argv)
 
 	if (pcu_sock_init()) {
 		fprintf(stderr, "PCU L1 socket failed\n");
-		exit(-1);
+		exit(1);
 	}
 
 	signal(SIGINT, &signal_handler);