diff --git a/backend/internal/domain/discovery/crawler/merger.go b/backend/internal/domain/discovery/crawler/merger.go
index db62b4c..52a1626 100644
--- a/backend/internal/domain/discovery/crawler/merger.go
+++ b/backend/internal/domain/discovery/crawler/merger.go
@@ -95,7 +95,7 @@ func mergeKey(r RawEvent) string {
 func mergeGroup(raws []RawEvent) MergedEvent {
 	// Sort by source rank so "first non-empty" == "best source's value".
 	sort.SliceStable(raws, func(i, j int) bool {
-		return rankOf(raws[i].SourceName) < rankOf(raws[j].SourceName)
+		return SourceRank(raws[i].SourceName) < SourceRank(raws[j].SourceName)
 	})
 
 	m := MergedEvent{}
@@ -176,7 +176,7 @@ func mergeGroup(raws []RawEvent) MergedEvent {
 	return m
 }
 
-func rankOf(name string) int {
+func SourceRank(name string) int {
 	if r, ok := sourceRank[name]; ok {
 		return r
 	}
diff --git a/backend/internal/domain/discovery/repository.go b/backend/internal/domain/discovery/repository.go
index 9f47913..6ba332b 100644
--- a/backend/internal/domain/discovery/repository.go
+++ b/backend/internal/domain/discovery/repository.go
@@ -6,12 +6,14 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"sort"
 	"time"
 
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgxpool"
 
+	"marktvogt.de/backend/internal/domain/discovery/crawler"
 	"marktvogt.de/backend/internal/domain/discovery/enrich"
 )
 
@@ -350,6 +352,14 @@ func scanDiscoveredMarket(s scanner) (DiscoveredMarket, error) {
 	if d.SourceContributions == nil {
 		d.SourceContributions = []SourceContribution{}
 	}
+	// Persisted order (alphabetical from MergePendingSources) doesn't match the
+	// rank order the UI relies on for "Rang 1 = winning source". Sort by rank
+	// here so every read path sees contributions in rank order regardless of
+	// how they were stored.
+	sort.SliceStable(d.SourceContributions, func(i, j int) bool {
+		return crawler.SourceRank(d.SourceContributions[i].SourceName) <
+			crawler.SourceRank(d.SourceContributions[j].SourceName)
+	})
 	return d, nil
 }