diff --git a/user-data-store-server/src/main/java/com/wultra/security/userdatastore/service/PhotoImportService.java b/user-data-store-server/src/main/java/com/wultra/security/userdatastore/service/PhotoImportService.java
index d85c6f2..6b95143 100644
--- a/user-data-store-server/src/main/java/com/wultra/security/userdatastore/service/PhotoImportService.java
+++ b/user-data-store-server/src/main/java/com/wultra/security/userdatastore/service/PhotoImportService.java
@@ -120,7 +120,7 @@ public static List<List<String>> parseCsv(byte[] csvData) {
         final List<List<String>> parsedData = new ArrayList<>();
         try (
                 ByteArrayInputStream is = new ByteArrayInputStream(csvData);
-                InputStreamReader isr = new InputStreamReader(is)
+                InputStreamReader isr = new InputStreamReader(is, StandardCharsets.UTF_8)
         ) {
             final Iterable<CSVRecord> records = CSVFormat.DEFAULT.parse(isr);
             for (CSVRecord record : records) {