diff --git a/pkg/internal/server/api/admin_api.go b/pkg/internal/server/api/admin_api.go
index ca760be..1667b84 100644
--- a/pkg/internal/server/api/admin_api.go
+++ b/pkg/internal/server/api/admin_api.go
@@ -47,7 +47,7 @@ func adminTriggerScanTask(c *fiber.Ctx) error {
 			})
 			database.C.Clauses(clause.OnConflict{
 				Columns:   []clause.Column{{Name: "hash"}},
-				DoUpdates: clause.Assignments(map[string]interface{}{}),
+				DoUpdates: clause.AssignmentColumns([]string{"thumbnail", "title", "content", "description", "published_at"}),
 			}).Create(&result)
 
 			log.Info().Str("source", src.ID).Int("count", len(result)).Msg("Scanned a news sources.")
diff --git a/pkg/internal/services/reader.go b/pkg/internal/services/reader.go
index 52f86b6..9fe09f3 100644
--- a/pkg/internal/services/reader.go
+++ b/pkg/internal/services/reader.go
@@ -49,7 +49,7 @@ func ScanNewsSources(eager ...bool) {
 		})
 		database.C.Clauses(clause.OnConflict{
 			Columns:   []clause.Column{{Name: "hash"}},
-			DoUpdates: clause.Assignments(map[string]interface{}{}),
+			DoUpdates: clause.AssignmentColumns([]string{"thumbnail", "title", "content", "description", "published_at"}),
 		}).Create(&result)
 
 		log.Info().Str("source", src.ID).Int("count", len(result)).Msg("Scanned a news sources.")