diff --git a/tool/run/power_on/energenie b/tool/run/power_on/energenie
index eb5f2baa0..bb19c57e2 100644
--- a/tool/run/power_on/energenie
+++ b/tool/run/power_on/energenie
@@ -33,4 +33,6 @@ proc run_power_on { } {
 	exec curl -s -o /dev/null -d pw=$password     http://$host/login.html
 	exec curl -s -o /dev/null -d ctl$power_port=1 http://$host/status.html
 	exec curl -s -o /dev/null                     http://$host/login.html
+
+	return true
 }
diff --git a/tool/run/power_on/linux b/tool/run/power_on/linux
index 2b343f9f1..750c1efff 100644
--- a/tool/run/power_on/linux
+++ b/tool/run/power_on/linux
@@ -10,6 +10,8 @@ proc run_power_on { } {
 	eval spawn ./core
 	set linux_spawn_id $spawn_id
 	cd $linux_orig_pwd
+
+	return true
 }
 
 
diff --git a/tool/run/power_on/netio b/tool/run/power_on/netio
index ff150ab04..b9770128e 100644
--- a/tool/run/power_on/netio
+++ b/tool/run/power_on/netio
@@ -51,4 +51,6 @@ proc run_power_on { } {
 		send -i $connection_id "port $power_port int\n"
 		expect -i $connection_id "250 OK"
 	}
+
+	return true
 }
diff --git a/tool/run/power_on/qemu b/tool/run/power_on/qemu
index b939a9087..db2161fc0 100644
--- a/tool/run/power_on/qemu
+++ b/tool/run/power_on/qemu
@@ -97,4 +97,6 @@ proc run_power_on { } {
 
 	eval spawn $qemu $qemu_args
 	set qemu_spawn_id $spawn_id
+
+	return true
 }
diff --git a/tool/run/power_on/softreset b/tool/run/power_on/softreset
index e9cdc5458..a00ec62f4 100644
--- a/tool/run/power_on/softreset
+++ b/tool/run/power_on/softreset
@@ -57,4 +57,13 @@ proc run_power_on { } {
 	send -i $connection_id "$relay_on\n"
 	sleep 1
 	send -i $connection_id "$relay_off\n"
+	sleep 1
+	close -i $connection_id
+	lassign [wait] pid spawnid os_error_flag value
+
+	if {$value} {
+		return false
+	}
+
+	return true
 }
diff --git a/tool/run/power_on/spike b/tool/run/power_on/spike
index 7cf35bb79..536d58375 100644
--- a/tool/run/power_on/spike
+++ b/tool/run/power_on/spike
@@ -23,4 +23,6 @@ proc run_power_on { } {
 	set spike "spike"
 	eval spawn $spike $spike_args
 	set spike_spawn_id $spawn_id
+
+	return true
 }
diff --git a/tool/run/run b/tool/run/run
index c0a80a642..3be0f84e6 100755
--- a/tool/run/run
+++ b/tool/run/run
@@ -158,7 +158,12 @@ proc run_genode_until {{wait_for_re forever} {timeout_value 0} {running_spawn_id
 	set retry 3
 	while { $retry != 0 } {
 
-		run_power_on
+		if {[expr [run_power_on] == false]} {
+			puts "Power on step failed, retry."
+			sleep 3
+			incr retry -1;
+			continue
+		}
 
 		if {![run_load]} {
 			puts "Load step failed, retry."