diff --git a/client/mass/about.ts b/client/mass/about.ts
index 171ab37fc..7354472cc 100644
--- a/client/mass/about.ts
+++ b/client/mass/about.ts
@@ -227,6 +227,7 @@ export class MassAbout {
 		if (!result.cfeatures.length) return
 		for (const feature of result.features) rows.push([{ value: feature.name }])
 		for (const cohort of result.cohorts) {
+			if (cohort.subcohorts?.length) continue
 			columns.push({ label: cohort.name })
 			for (const [i, feature] of result.features.entries()) {
 				const cf = result.cfeatures.find(cf => cf.idfeature === feature.idfeature && cf.cohort === cohort.cohort)
diff --git a/server/test/tp/files/hg38/TermdbTest/db b/server/test/tp/files/hg38/TermdbTest/db
index 6c4607a8f..0b36ee20c 100644
Binary files a/server/test/tp/files/hg38/TermdbTest/db and b/server/test/tp/files/hg38/TermdbTest/db differ