diff --git a/pkg/connector/handlematrix.go b/pkg/connector/handlematrix.go
index fd7521f6..13ccafde 100644
--- a/pkg/connector/handlematrix.go
+++ b/pkg/connector/handlematrix.go
@@ -560,7 +560,7 @@ func (t *TelegramClient) PreHandleMatrixReaction(ctx context.Context, msg *bridg
 	keyNoVariation := variationselector.Remove(msg.Content.RelatesTo.Key)
 	emojiID := ids.MakeEmojiIDFromEmoticon(msg.Content.RelatesTo.Key)
 	if strings.HasPrefix(msg.Content.RelatesTo.Key, "mxc://") {
-		if file, err := t.main.Store.TelegramFile.GetByMXC(ctx, msg.Content.RelatesTo.Key); err != nil {
+		if file, err := t.main.Store.TelegramFile.GetByMXC(ctx, id.ContentURIString(msg.Content.RelatesTo.Key)); err != nil {
 			return resp, err
 		} else if file == nil {
 			return resp, fmt.Errorf("reaction MXC URI %s does not correspond with any known Telegram files", msg.Content.RelatesTo.Key)
diff --git a/pkg/connector/matrixfmt/html.go b/pkg/connector/matrixfmt/html.go
index 6a2c932f..3ba2ecb8 100644
--- a/pkg/connector/matrixfmt/html.go
+++ b/pkg/connector/matrixfmt/html.go
@@ -405,7 +405,7 @@ func (parser *HTMLParser) imgToString(node *html.Node, ctx Context) *EntityStrin
 	if !isEmoji {
 		return NewEntityString(alt)
 	}
-	if file, _ := parser.Store.TelegramFile.GetByMXC(ctx.Ctx, src); file != nil {
+	if file, _ := parser.Store.TelegramFile.GetByMXC(ctx.Ctx, id.ContentURIString(src)); file != nil {
 		if documentID, err := strconv.ParseInt(string(file.LocationID), 10, 64); err == nil {
 			// Hardcode to a sparkle emoji because telegram requires the custom emoji fallback to be an emoji,
 			// but we don't know the actual emoji that should be used.
diff --git a/pkg/connector/store/telegramfile.go b/pkg/connector/store/telegramfile.go
index 9154957a..9fb2de26 100644
--- a/pkg/connector/store/telegramfile.go
+++ b/pkg/connector/store/telegramfile.go
@@ -60,7 +60,7 @@ func (fq *TelegramFileQuery) GetByLocationID(ctx context.Context, locationID Tel
 	return fq.QueryOne(ctx, getTelegramFileByLocationIDQuery, locationID)
 }
 
-func (fq *TelegramFileQuery) GetByMXC(ctx context.Context, mxc string) (*TelegramFile, error) {
+func (fq *TelegramFileQuery) GetByMXC(ctx context.Context, mxc id.ContentURIString) (*TelegramFile, error) {
 	return fq.QueryOne(ctx, getTelegramFileByMXCQuery, mxc)
 }