diff --git a/eo-parser/src/test/java/org/eolang/parser/EoSyntaxTest.java b/eo-parser/src/test/java/org/eolang/parser/EoSyntaxTest.java
index 78295fbc92..6757a7fe3d 100644
--- a/eo-parser/src/test/java/org/eolang/parser/EoSyntaxTest.java
+++ b/eo-parser/src/test/java/org/eolang/parser/EoSyntaxTest.java
@@ -79,7 +79,7 @@ void printsProperListingEvenWhenSyntaxIsBroken() throws Exception {
                     new EoSyntax(
                         "test-44",
                         new InputOf(src)
-                    ).parsed().toString().getBytes(),
+                    ).parsed().toString().getBytes(StandardCharsets.UTF_8),
                     StandardCharsets.UTF_8
                 )
             ),