diff --git a/aliasDefinition/Data_alias/Data_alias.aod b/aliasDefinition/Data_alias/Data_alias.aod
index 7787921b830aedb9170ecb4b99f87e61e5b443c4..adc3f8685875296f55c3e10e0bed6e6d038493dc 100644
--- a/aliasDefinition/Data_alias/Data_alias.aod
+++ b/aliasDefinition/Data_alias/Data_alias.aod
@@ -130,7 +130,7 @@
                 <columnType v="12" />
                 <size v="255" />
                 <scale v="0" />
-                <notNull v="false" />
+                <notNull v="true" />
                 <isUnique v="false" />
                 <index v="false" />
                 <title></title>
@@ -435,7 +435,7 @@
                 <columnType v="12" />
                 <size v="50" />
                 <scale v="0" />
-                <notNull v="false" />
+                <notNull v="true" />
                 <isUnique v="false" />
                 <index v="false" />
                 <title></title>