diff --git a/unirec/include/unirec++/unirecRecord.hpp b/unirec/include/unirec++/unirecRecord.hpp
index 857e89d9..1f7362f0 100644
--- a/unirec/include/unirec++/unirecRecord.hpp
+++ b/unirec/include/unirec++/unirecRecord.hpp
@@ -339,7 +339,9 @@ class UnirecRecord {
 		if (ur_is_array(fieldID)) {
 			expectedType = getExpectedUnirecType<RequiredType*>();
 		} else {
-			expectedType = getExpectedUnirecType<RequiredType>();
+			if constexpr (!std::is_same_v<RequiredType, std::byte>) {
+				expectedType = getExpectedUnirecType<RequiredType>();
+			}
 		}
 
 		if (expectedType != ur_get_type(fieldID)) {