diff --git a/stirling-pdf/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java b/stirling-pdf/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java index f12b5359b..2b4f90c33 100644 --- a/stirling-pdf/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java +++ b/stirling-pdf/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java @@ -166,7 +166,7 @@ public class CertSignController { Integer pageNumber = request.getPageNumber() != null ? (request.getPageNumber() - 1) : null; Boolean showLogo = request.getShowLogo(); - if (certType == null || certType.trim().isEmpty()) { + if (StringUtils.isBlank(certType)) { throw ExceptionUtils.createIllegalArgumentException( "error.optionsNotSpecified", "{0} options are not specified",