diff --git a/ansible/roles/stack-sunbird/templates/content-service_application.conf b/ansible/roles/stack-sunbird/templates/content-service_application.conf
index 57b30400ff808b6259a0f1b7c4a2cf8d3827a944..34782df121d54d68d5e79c94a7944d329315c6a9 100644
--- a/ansible/roles/stack-sunbird/templates/content-service_application.conf
+++ b/ansible/roles/stack-sunbird/templates/content-service_application.conf
@@ -569,3 +569,4 @@ channel.content.primarycategories=["Explanation Content", "Learning Resource", "
 channel.collection.primarycategories=["Course", "Digital Textbook", "Content Playlist"]
 channel.asset.primarycategories=["Asset"]
 
+objectcategorydefinition.keyspace="{{ cassandra_keyspace_prefix }}_category_store"
\ No newline at end of file
diff --git a/ansible/roles/stack-sunbird/templates/taxonomy-service_application.conf b/ansible/roles/stack-sunbird/templates/taxonomy-service_application.conf
index 73ffa55dfb7e1f9678950d58be3a40b306f325fd..61ef4d58da4720c66be83731ea29498cd2b76b64 100644
--- a/ansible/roles/stack-sunbird/templates/taxonomy-service_application.conf
+++ b/ansible/roles/stack-sunbird/templates/taxonomy-service_application.conf
@@ -386,3 +386,4 @@ languageCode {
   tamil : "ta"
   telugu : "te"
 }
+objectcategorydefinition.keyspace="{{ cassandra_keyspace_prefix }}_category_store"
\ No newline at end of file