diff --git a/internal/worker/command_executor.go b/internal/worker/command_executor.go
index 28d4bd27..02fe85bc 100644
--- a/internal/worker/command_executor.go
+++ b/internal/worker/command_executor.go
@@ -102,9 +102,9 @@ func (ce *CommandExecutor) cmdEcho(ctx context.Context, logger zerolog.Logger, t
 // cmdSleep executes the "sleep" command.
 func (ce *CommandExecutor) cmdSleep(ctx context.Context, logger zerolog.Logger, taskID TaskID, cmd api.Command) error {
 
-	sleepTime, ok := cmd.Settings["time_in_seconds"]
+	sleepTime, ok := cmd.Settings["duration_in_seconds"]
 	if !ok {
-		return errors.New("missing setting 'time_in_seconds'")
+		return errors.New("missing setting 'duration_in_seconds'")
 	}
 
 	var duration time.Duration
@@ -112,8 +112,8 @@ func (ce *CommandExecutor) cmdSleep(ctx context.Context, logger zerolog.Logger,
 	case int:
 		duration = time.Duration(v) * time.Second
 	default:
-		log.Warn().Interface("time_in_seconds", v).Msg("bad type for setting 'time_in_seconds', expected int")
-		return fmt.Errorf("bad type for setting 'time_in_seconds', expected int, not %v", v)
+		log.Warn().Interface("duration_in_seconds", v).Msg("bad type for setting 'duration_in_seconds', expected int")
+		return fmt.Errorf("bad type for setting 'duration_in_seconds', expected int, not %v", v)
 	}
 
 	log.Info().Str("duration", duration.String()).Msg("sleep")
diff --git a/internal/worker/command_executor_test.go b/internal/worker/command_executor_test.go
index 9af3ae6b..2d154524 100644
--- a/internal/worker/command_executor_test.go
+++ b/internal/worker/command_executor_test.go
@@ -94,7 +94,7 @@ func TestCommandSleep(t *testing.T) {
 	taskID := TaskID("90e9d656-e201-4ef0-b6b0-c80684fafa27")
 	cmd := api.Command{
 		Name:     "sleep",
-		Settings: map[string]interface{}{"time_in_seconds": 47},
+		Settings: map[string]interface{}{"duration_in_seconds": 47},
 	}
 
 	timeBefore := clock.Now()