diff --git a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/WatermarkService.java b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/WatermarkService.java
index 5ca1675e8..b92928f1a 100644
--- a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/WatermarkService.java
+++ b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/WatermarkService.java
@@ -55,7 +55,7 @@ public class WatermarkService {
         if (watermark == null) {
             throw new BadRequestException("The watermark may not be null");
         }
-        if (!StringUtils.isAsciiPrintable(StringUtils.normalizeSpace(watermark.getText()))) {
+        if (StringUtils.isNotBlank(watermark.getText()) && !StringUtils.isAsciiPrintable(StringUtils.normalizeSpace(watermark.getText()))) {
             throw new BadRequestException("The watermark may only contain ASCII characters");
         }