diff --git a/src/pages/dataElements/fields/CustomAttributes.tsx b/src/pages/dataElements/fields/CustomAttributes.tsx
index 92539a68..780971e9 100644
--- a/src/pages/dataElements/fields/CustomAttributes.tsx
+++ b/src/pages/dataElements/fields/CustomAttributes.tsx
@@ -21,6 +21,9 @@ type CustomAttributeProps = {
 function CustomAttribute({ attribute, index }: CustomAttributeProps) {
     const name = `attributeValues[${index}].value`
     const required = attribute.mandatory
+    // If we don't do this, then RFF will set this value to undefined instead
+    // of an empty string
+    const parse = (value: string) => value || ''
 
     if (attribute.optionSet?.options) {
         const options = attribute.optionSet?.options.map(
@@ -43,6 +46,7 @@ function CustomAttribute({ attribute, index }: CustomAttributeProps) {
                     label={attribute.displayFormName}
                     name={name}
                     options={options}
+                    parse={parse}
                 />
             </StandardFormSection>
         )
@@ -57,6 +61,7 @@ function CustomAttribute({ attribute, index }: CustomAttributeProps) {
                     inputWidth={inputWidth}
                     label={attribute.displayFormName}
                     name={name}
+                    parse={parse}
                 />
             </StandardFormSection>
         )
@@ -71,6 +76,7 @@ function CustomAttribute({ attribute, index }: CustomAttributeProps) {
                     inputWidth={inputWidth}
                     label={attribute.displayFormName}
                     name={name}
+                    parse={parse}
                 />
             </StandardFormSection>
         )