diff --git a/persistence-service-v1/persistence-service-external-api-v2/src/main/java/com/iqser/red/service/persistence/service/v2/api/external/model/FileAttributeDefinitionList.java b/persistence-service-v1/persistence-service-external-api-v2/src/main/java/com/iqser/red/service/persistence/service/v2/api/external/model/FileAttributeDefinitionList.java
index c56ee21f9..0e219ee8a 100644
--- a/persistence-service-v1/persistence-service-external-api-v2/src/main/java/com/iqser/red/service/persistence/service/v2/api/external/model/FileAttributeDefinitionList.java
+++ b/persistence-service-v1/persistence-service-external-api-v2/src/main/java/com/iqser/red/service/persistence/service/v2/api/external/model/FileAttributeDefinitionList.java
@@ -42,7 +42,7 @@ public class FileAttributeDefinitionList {
         // TODO: make csvMappingActive a persistent value instead of a transient one when implementing the endpoint to set the csv mapping
         @JsonProperty("csvMappingActive")
         public boolean isCsvMappingActive() {
-            return StringUtils.isBlank(filenameMappingCsvColumnHeader);
+            return StringUtils.isNotBlank(filenameMappingCsvColumnHeader);
         }
 
     }