diff --git a/webapp/src/csvExporter.ts b/webapp/src/csvExporter.ts
index e11447e4c..d0baa267a 100644
--- a/webapp/src/csvExporter.ts
+++ b/webapp/src/csvExporter.ts
@@ -69,6 +69,9 @@ class CsvExporter {
                 if (template.type === 'number') {
                     const numericValue = propertyValue ? Number(propertyValue).toString() : ''
                     row.push(numericValue)
+                } else if (template.type === 'multiSelect') {
+                    const multiSelectValue = ((displayValue as unknown || []) as string[]).join('|')
+                    row.push(multiSelectValue)
                 } else {
                     // Export as string
                     row.push(`"${this.encodeText(displayValue)}"`)