diff --git a/apps/dnet-exporter-api/src/main/resources/sql/community-schema.sql b/apps/dnet-exporter-api/src/main/resources/sql/community-schema.sql
index 8ae012c3..a895f32d 100644
--- a/apps/dnet-exporter-api/src/main/resources/sql/community-schema.sql
+++ b/apps/dnet-exporter-api/src/main/resources/sql/community-schema.sql
@@ -43,7 +43,7 @@ CREATE TABLE community_datasources (
 );
 
 CREATE TABLE community_support_orgs (
-	community     text REFERENCES communities(id),
+	community     text NOT NULL REFERENCES communities(id),
 	org_name      text NOT NULL,
 	org_url       text NOT NULL,
 	org_logourl   text NOT NULL,
@@ -51,7 +51,7 @@ CREATE TABLE community_support_orgs (
 );
 
 CREATE TABLE community_orgs (
-	community   text REFERENCES communities(id),
+	community   text NOT NULL REFERENCES communities(id),
 	org_id      text NOT NULL,
 	PRIMARY KEY (community, org_id)
 );