diff --git a/internal/server/api.go b/internal/server/api.go
index 96dd70c..c3849fb 100644
--- a/internal/server/api.go
+++ b/internal/server/api.go
@@ -40,8 +40,8 @@ func (h *APIHandlers) ListTrainings(ctx context.Context, req ListTrainingsReques
 	data := make([]Training, len(trainings))
 	for idx, t := range trainings {
 		pricing := make([]TrainingPrice, len(t.Pricing))
-		for idx, p := range t.Pricing {
-			pricing[idx] = TrainingPrice{
+		for pIdx, p := range t.Pricing {
+			pricing[pIdx] = TrainingPrice{
 				Amount:   p.Amount.String(),
 				Currency: p.Currency,
 				Type:     TrainingPriceType(p.Type),